考前押题04 单元语法高频考点专练（期中专项训练）八年级英语上学期新教材沪教版五四制

学科网（北京）股份有限公司 学科网（北京）股份有限公司 考前押题04 单元语法高频考点专练（新教材沪教版五四学制） 八年级上册高频考点 期中考进阶练 学校 班级 姓名 学号 考点 1：时间状语从句 考点 2：时间状语从句（II）&代词专题 考点 3：动词不定式 考点 1：时间状语从句 1．I will go to bed. I finish my homework. (合并为时间状语从句) I will go to bed ________ ________ I finish my homework. 2．He waited. His mother came back. (改为同义句) He ________ wait ________ his mother came back. 3．My father was reading newspapers while I was doing my homework. (对划线部分 while I was doing my homework 提问) ________ ________ your father ________ newspapers? 4．You must clean your hands before you eat. (改为同义句) ________ ________ your hands before eating. 5．She left after the film ended. (改为同义句) She ________ leave ________ the film ended. 6．He will join the club when he gets enough free time. (对划线部分 when he gets enough free time 提问) ________ ________ he ________ the club? 7．I will send you a message. I reach the hotel. (合并句子) I will send you a message ________ ________ I reach the hotel. 8．Tom was playing basketball while Lily was reading books. (改为同义句) ________ ________ Tom was playing basketball, Lily was reading books. 9．We stayed inside until the heavy rain stopped. (对划线部分 until the heavy rain stopped 提问) ________ ________ you ________ inside? 10．Turn off the light before you leave the house. (改为同义句) Turn off the light ________ ________ the house. 11．The boys began to talk as soon as the teacher went out. (改为同义句) The boys ________ talk ________ the teacher went out. 12．My grandma was drinking tea while my grandpa was watering flowers. (对划线部分 while my grandpa was watering flowers 提问) ________ ________ your grandma ________ tea? 13．I will give him the gift. I see him. (合并句子) I will give him the gift ________ ________ I see him. 14．He didn’t go home until he finished his work. (改为同义句) He went home ________ he ________ his work. 15．They will have a picnic when the holiday comes. (对划线部分 when the holiday comes 提问) ________ ________ they ________ a picnic? 16．You should check your bags before you take the train. (改为同义句) Check your bags ________ ________ the train. 17．She kept studying until midnight. (改为同义句) She ________ stop studying ________ midnight came. 18．He was writing notes while his partner was giving a speech. (对划线部分 was writing notes 提问) ________ ________ he ________ while his partner was giving a speech? 19．I will tell you the truth. I get the news. (合并句子) I will tell you the truth ________ ________ I get the news. 20．We went for a walk after the rain stopped. (改为同义句) We ________ go for a walk ________ the rain stopped. 21．The kids will play outdoors when the sun comes out. (对划线部分 when the sun comes out 提问) ________ ________ the kids ________ outdoors? 22．Please close the window before you go to sleep. (改为同义句) Please close the window ________ ________ to sleep. 23．As soon as he heard the alarm, he ran out. (改为同义句) He ________ run out ________ he heard the alarm. 24．My sister was dancing while I was drawing pictures. (对划线部分 was drawing pictures 提问) ________ ________ you ________ while your sister was dancing? 25．Stay here until I return. (改为同义句) Don’t leave here ________ ________ return. 26．He will buy a new bike when he makes enough money. (合并句子) ________ ________ he makes enough money, he will buy a new bike. 27．They didn’t start the meeting until all members arrived. (改为同义句) They started the meeting ________ all members ________. 28．We were preparing dinner while our guests were chatting. (对划线部分 while our guests were chatting 提问) ________ ________ you ________ dinner? 29．Lock the door before you leave. (改为同义句) Lock the door ________ ________. 30．I will reply to your message as soon as I am free. (改为同义句) I ________ reply to your message ________ I am free. 考点 2：时间状语从句（II）&代词专题 1．You can’t get into the room ________ ________ he opens the door for you. (填连词) 2．Someone is knocking at the door. (改为同义句) ________ ________ is knocking at the door. 3．He will finish his report as soon as his mother comes back. (对划线部分 as soon as his mother comes back 提问) ________ ________ he ________ his report? 4．Both of the two answers are wrong. (改为同义句) ________ ________ the two answers is right. 5．I read magazines while my brother played games. (合并句子) ________ ________ my brother was playing games, I read magazines. 6．He gave me two suggestions, but ________ of them was helpful. (改为同义句) He gave me two suggestions, but ________ ________ was helpful. 7．She won’t stop working until she finishes the task. (对划线部分 until she finishes the task 提问) ________ ________ she ________ stop working? 8．There is nothing important in today’s newspaper. (改为同义句) There is ________ ________ important in today’s newspaper. 9．I will go shopping before the stores close. (合并句子) ________ ________ the stores close, I will go shopping. 10．All the students took part in the activity. (改为同义句) ________ ________ the students joined in the activity. 11．They chatted happily after the concert ended. (对划线部分 chatted happily 提问) ________ ________ they ________ after the concert ended? 12．You can take either of the two pens. (改为同义句) You can take ________ ________ this pen ________ ________ that one. 13．Don’t leave the lab until you turn off all the machines. (改为同义句) Leave the lab ________ ________ you turn off all the machines. 14．Nobody knows the secret. (改为同义句) ________ ________ knows the secret. 15．My cousin was surfing the Internet while I was doing homework. (对划线部分 was surfing the Internet 提问) ________ ________ your cousin ________ while you were doing homework? 16．I will send e‑mails as soon as I get online. (合并句子) ________ ________ I get online, I will send e‑mails. 17．None of us likes bad online news. (改为同义句) ________ ________ of us likes bad online news. 18．We didn’t know the fact until he told us. (对划线部分 until he told us 提问) ________ ________ you ________ the fact? 19．You should check your information before you share it online. (改为同义句) Check your information ________ ________ it online. 20．Something is wrong with my new tablet. (改为同义句) ________ ________ is wrong with my new tablet. 21．He kept searching for videos until midnight. (对划线部分 kept searching for videos 提问) ________ ________ he ________ until midnight? 22．Each of them has a digital watch. (改为同义句) ________ ________ has a digital watch. 23．I will call you after I finish my online course. (合并句子) ________ ________ I finish my online course, I will call you. 24．I don’t like this mobile phone. I don’t like that one, either. (改为同义句) I like ________ ________ the two mobile phones. 25．They were chatting online while their teacher was giving a lesson. (对划线部分 were chatting online 提问) ________ ________ they ________ while their teacher was giving a lesson? 26．You won’t realize the danger until you meet it. (改为同义句) You will realize the danger ________ you ________ it. 27．Is there anything interesting on the website? (改为同义句) Is there ________ ________ interesting on the website? 28．We will download the file as soon as we get the link. (对划线部分 as soon as we get the link 提问) ________ ________ you ________ the file? 29．You can find little useful news here. (改为同义句) You can find ________ ________ useful news here. 30．Close all the windows before you shut down your computer. (改为同义句) Close all the windows ________ ________ down your computer. 考点 3：动词不定式 1．He wants to invent a small robot. (改为同义句) He ________ ________ to invent a small robot. 2．The scientist tried many ways to solve the strange problem. (对划线部分 to solve the strange problem 提问) ________ ________ the scientist try many ways ________ ________? 3．It takes time to do science experiments. (改为同义句) ________ ________ time doing science experiments. 4．They decided to carry out a new test. (改为同义句) They ________ ________ to carry out a new test. 5．My dream is to become a great researcher. (对划线部分 to become a great researcher 提问) ________ ________ your dream ________ ________? 6．Remember to record your observation notes. (改为同义句) Don’t ________ ________ record your observation notes. 7．The boy is too young to operate this machine. (改为同义句) The boy is ________ young ________ he can’t operate this machine. 8．We hope to discover some new facts. (对划线部分 to discover some new facts 提问) ________ ________ you hope ________ ________? 9．She planned to study the animal’s behaviour. (改为同义句) She ________ ________ to study the animal’s behaviour. 10．It is important to check your test results carefully. (改为同义句) ________ ________ your test results carefully is important. 11．He ran fast to catch the flying balloon. (对划线部分 to catch the flying balloon 提问) ________ ________ he run fast ________ ________? 12．They chose to do further research. (改为同义句) They ________ ________ ________ to do further research. 13．The box is too heavy for me to lift up. (改为同义句) The box is ________ heavy ________ I can’t lift it up. 14．My sister wants to learn more about nature. (对划线部分 to learn more about nature 提问) ________ ________ your sister want ________ ________? 15．Don’t forget to finish your biology task. (改为同义句) ________ ________ finish your biology task. 16．We need to find out the secret of this phenomenon. (改为同义句) It’s ________ ________ us to find out the secret of this phenomenon. 17．She came to the lab to interview the famous scientist. (对划线部分 to interview the famous scientist 提问) ________ ________ she come to the lab ________ ________? 18．He wishes to win the science competition. (改为同义句) He ________ ________ ________ to win the science competition. 19．The question is too hard for us to work out. (改为同义句) The question is ________ hard ________ we can’t work it out. 20．They agreed to share their research reports together. (对划线部分 to share their research reports together 提问) ________ ________ they agree ________ ________? 21．It is useful to keep your lab clean. (改为同义句) ________ ________ your lab clean is useful. 22．I expect to get a surprising result. (改为同义句) I ________ ________ ________ to get a surprising result. 23．The little girl got up early to watch the starry sky. (对划线部分 to watch the starry sky 提问) ________ ________ the little girl get up early ________ ________? 24．We offered to help with the science project. (改为同义句) We ________ ________ ________ to help with the science project. 25．The river is too wide for the small animals to cross. (改为同义句) The river is ________ wide ________ small animals can’t cross it. 26．He plans to observe strange plants in the forest. (对划线部分 to observe strange plants in the forest 提问) ________ ________ he plan ________ ________? 27．Please try to find more clear facts. (改为同义句) Please ________ ________ ________ to find more clear facts. 28．It is necessary to follow the lab rules. (改为同义句) ________ ________ the lab rules is necessary. 29．She hurried to the site to collect new samples. (对划线部分 to collect new samples 提问) ________ ________ she hurry to the site ________ ________? 30．They want to create a simple model. (改为同义句) They ________ ________ to create a simple model. 8 / 8zxxk.com 学科网（北京）股份有限公司zxxk.com 学科网（北京）股份有限公司 学科网（北京）股份有限公司zxxk.com 学科网（北京）股份有限公司 $ 学科网（北京）股份有限公司 学科网（北京）股份有限公司 考前押题04 单元语法高频考点专练（新教材沪教版五四学制） 八年级上册高频考点 期中考进阶练 学校 班级 姓名 学号 考点 1：时间状语从句 考点 2：时间状语从句（II）&代词专题 考点 3：动词不定式 考点 1：时间状语从句 1．I will go to bed. I finish my homework. (合并为时间状语从句) I will go to bed ________ ________ I finish my homework. 【答案】 as soon as 【详解】句意：我一完成作业就去睡觉。as soon as 引导时间状语从句，意为 “一…… 就……”，遵循主将从现。 2．He waited. His mother came back. (改为同义句) He ________ wait ________ his mother came back. 【答案】 didn’t；until 【详解】句意：他一直等到妈妈回来。not…until… 为固定结构，意为 “直到…… 才……”，句子为一般过去时，助动词用 didn’t。 3．My father was reading newspapers while I was doing my homework. (对划线部分 while I was doing my homework 提问) ________ ________ your father ________ newspapers? 【答案】 When；was；reading 【详解】句意：我做作业的时候爸爸在看报纸。划线部分是时间状语，对时间提问用 When；原句过去进行时，把 was 提前，reading 保持不变。 4．You must clean your hands before you eat. (改为同义句) ________ ________ your hands before eating. 【答案】 You；must clean 【详解】句意：吃东西前你必须洗手。原句为 before 引导时间状语从句，改写为 before + 动名词结构，主句保持不变。 5．She left after the film ended. (改为同义句) She ________ leave ________ the film ended. 【答案】 didn’t；until 【详解】句意：电影结束之后她离开了。转换为 not…until 结构，表示直到电影结束她才离开，一般过去时用 didn’t。 6．He will join the club when he gets enough free time. (对划线部分 when he gets enough free time 提问) ________ ________ he ________ the club? 【答案】 When；will；join 【详解】句意：当他有足够空闲时间时，他会加入俱乐部。划线为时间状语，用 When 提问；原句一般将来时，will 提到主语前，动词用原形 join。 7．I will send you a message. I reach the hotel. (合并句子) I will send you a message ________ ________ I reach the hotel. 【答案】 as soon as 【详解】句意：我一到达酒店就给你发消息。as soon as 引导时间状语从句，主将从现。 8．Tom was playing basketball while Lily was reading books. (改为同义句) ________ ________ Tom was playing basketball, Lily was reading books. 【答案】 At；the time 【详解】句意：汤姆打篮球的时候莉莉在看书。at the time 可以替换 while，引导时间状语，描述两个同步发生的延续动作。 9．We stayed inside until the heavy rain stopped. (对划线部分 until the heavy rain stopped 提问) ________ ________ you ________ inside? 【答案】 How；long；stayed 【详解】句意：大雨停下之前我们一直待在屋里。划线部分表动作持续的时长，用 How long 提问；一般过去时，动词用 stayed。 10．Turn off the light before you leave the house. (改为同义句) Turn off the light ________ ________ the house. 【答案】 before；leaving 【详解】句意：离开房子前把灯关掉。before 从句可以转换为 before + 动名词 leaving。 11．The boys began to talk as soon as the teacher went out. (改为同义句) The boys ________ talk ________ the teacher went out. 【答案】 didn’t；until 【详解】句意：老师一出去男孩子们就开始说话。as soon as 语义可转换为 not…until，一般过去时用 didn’t。 12．My grandma was drinking tea while my grandpa was watering flowers. (对划线部分 while my grandpa was watering flowers 提问) ________ ________ your grandma ________ tea? 【答案】 While；was；drinking 【详解】句意：爷爷浇花的时候奶奶在喝茶。划线是时间状语，用 While 提问；过去进行时，was 提前，drinking 不变。 13．I will give him the gift. I see him. (合并句子) I will give him the gift ________ ________ I see him. 【答案】 as soon as 【详解】句意：我一见到他就把礼物给他。as soon as 引导时间状语从句，主将从现。 14．He didn’t go home until he finished his work. (改为同义句) He went home ________ he ________ his work. 【答案】 after；finished 【详解】句意：他完成工作之后才回家。not…until 可以转换为 after 引导从句，原句过去时，finish 变为 finished。 15．They will have a picnic when the holiday comes. (对划线部分 when the holiday comes 提问) ________ ________ they ________ a picnic? 【答案】 When；will；have 【详解】句意：假期来临的时候他们将会去野餐。划线为时间状语，When 提问；将来时 will 提前，have 用原形。 16．You should check your bags before you take the train. (改为同义句) Check your bags ________ ________ the train. 【答案】 before；taking 【详解】句意：坐火车之前你应该检查你的包。before 从句转化为 before + 动名词 taking。 17．She kept studying until midnight. (改为同义句) She ________ stop studying ________ midnight came. 【答案】 didn’t；until 【详解】句意：她一直学习到半夜。转换 not…until 结构，一般过去时助动词用 didn’t。 18．He was writing notes while his partner was giving a speech. (对划线部分 was writing notes 提问) ________ ________ he ________ while his partner was giving a speech? 【答案】 What；was；doing 【详解】句意：搭档演讲的时候他正在记笔记。划线是谓语动作，对做什么提问用 What；过去进行时 was 提前，实义动词替换为 doing。 19．I will tell you the truth. I get the news. (合并句子) I will tell you the truth ________ ________ I get the news. 【答案】 as soon as 【详解】句意：我一得到消息就告诉你真相。as soon as 引导时间状语从句，主将从现。 20．We went for a walk after the rain stopped. (改为同义句) We ________ go for a walk ________ the rain stopped. 【答案】 didn’t；until 【详解】句意：雨停之后我们去散步。after 引导的句子转换为 not…until 结构，一般过去时用 didn’t。 21．The kids will play outdoors when the sun comes out. (对划线部分 when the sun comes out 提问) ________ ________ the kids ________ outdoors? 【答案】 When；will；play 【详解】句意：太阳出来孩子们就会去户外玩耍。划线为时间状语，When 提问；将来时 will 提前，play 用原形。 22．Please close the window before you go to sleep. (改为同义句) Please close the window ________ ________ to sleep. 【答案】 before；going 【详解】句意：睡觉前请关上窗户。before 从句改为 before + 动名词 going。 23．As soon as he heard the alarm, he ran out. (改为同义句) He ________ run out ________ he heard the alarm. 【答案】 didn’t；until 【详解】句意：他一听到警报就跑出去。as soon as 同义转换为 not…until，一般过去时用 didn’t。 24．My sister was dancing while I was drawing pictures. (对划线部分 was drawing pictures 提问) ________ ________ you ________ while your sister was dancing? 【答案】 What；were；doing 【详解】句意：我妹妹跳舞的时候我正在画画。划线为动作，What 提问；过去进行时主语 you 搭配 were，动词用 doing。 25．Stay here until I return. (改为同义句) Don’t leave here ________ ________ return. 【答案】 until；I 【详解】句意：待在这里直到我回来。同义转换：不要离开这里直到我回来。 26．He will buy a new bike when he makes enough money. (合并句子) ________ ________ he makes enough money, he will buy a new bike. 【答案】 As；soon as 【详解】句意：他一赚到足够的钱就买一辆新自行车。as soon as 置于句首引导时间状语从句，首字母大写。 27．They didn’t start the meeting until all members arrived. (改为同义句) They started the meeting ________ all members ________. 【答案】 after；arrived 【详解】句意：所有成员到齐之后他们才开始会议。not…until 转换为 after 从句，过去时 arrived。 28．We were preparing dinner while our guests were chatting. (对划线部分 while our guests were chatting 提问) ________ ________ you ________ dinner? 【答案】 While；were；preparing 【详解】句意：客人们闲聊的时候我们正在准备晚餐。划线是时间状语，While 提问；过去进行时 were 提前，preparing 不变。 29．Lock the door before you leave. (改为同义句) Lock the door ________ ________. 【答案】 before；leaving 【详解】句意：离开前锁上门。before 从句简化为 before + 动名词 leaving。 30．I will reply to your message as soon as I am free. (改为同义句) I ________ reply to your message ________ I am free. 【答案】 won’t；until 【详解】句意：我一有空就回复你的消息。as soon as 转换为 not…until，将来时否定用 won’t。 考点 2：时间状语从句（II）&代词专题 1．You can’t get into the room ________ ________ he opens the door for you. (填连词) 【答案】 until 【详解】句意：直到他为你开门，你才能进入房间。not…until 固定结构，意为 “直到…… 才”。 2．Someone is knocking at the door. (改为同义句) ________ ________ is knocking at the door. 【答案】 Some；body 【详解】句意：有人在敲门。someone = somebody，不定代词同义替换。 3．He will finish his report as soon as his mother comes back. (对划线部分 as soon as his mother comes back 提问) ________ ________ he ________ his report? 【答案】 When；will；finish 【详解】句意：妈妈一回来他就会完成报告。划线为时间状语，When 提问；一般将来时 will 提前，finish 用原形。 4．Both of the two answers are wrong. (改为同义句) ________ ________ the two answers is right. 【答案】 Neither；of 【详解】句意：两个答案都错了。both 的否定为 neither of，表示两者都不。 5．I read magazines while my brother played games. (合并句子) ________ ________ my brother was playing games, I read magazines. 【答案】 While；/ 【详解】句意：我弟弟玩游戏的时候我看杂志。while 引导时间状语从句，强调两个动作同时发生。 6．He gave me two suggestions, but ________ of them was helpful. (改为同义句) He gave me two suggestions, but ________ ________ was helpful. 【答案】 neither；one 【详解】句意：他给了我两条建议，但都没有用处。neither of + 名词 = neither one，两者都不。 7．She won’t stop working until she finishes the task. (对划线部分 until she finishes the task 提问) ________ ________ she ________ stop working? 【答案】 When；won’t；/ 【详解】句意：直到完成任务她才会停下工作。划线为时间，When 提问；原句将来时否定 won’t 保留。 8．There is nothing important in today’s newspaper. (改为同义句) There is ________ ________ important in today’s newspaper. 【答案】 not；anything 【详解】句意：今天报纸上没有什么重要内容。nothing = not anything，不定代词转换。 9．I will go shopping before the stores close. (合并句子) ________ ________ the stores close, I will go shopping. 【答案】 Before；/ 【详解】句意：商店关门之前我要去购物。before 引导时间状语从句置于句首。 10．All the students took part in the activity. (改为同义句) ________ ________ the students joined in the activity. 【答案】 Every；one of 【详解】句意：所有学生都参加了这次活动。all = every one of，指代群体当中每一个。 11．They chatted happily after the concert ended. (对划线部分 chatted happily 提问) ________ ________ they ________ after the concert ended? 【答案】 What；did；do 【详解】句意：音乐会结束后他们开心地聊天。划线是谓语动作，what 提问；一般过去时助动词 did，后面动词用原形 do。 12．You can take either of the two pens. (改为同义句) You can take ________ ________ this pen ________ ________ that one. 【答案】 either；or 【详解】句意：两支笔你可以拿任意一支。either of 同义转换 either…or…，要么…… 要么。 13．Don’t leave the lab until you turn off all the machines. (改为同义句) Leave the lab ________ ________ you turn off all the machines. 【答案】 after；/ 【详解】句意：关掉所有机器之后再离开实验室。not…until 可转换为 after 引导从句。 14．Nobody knows the secret. (改为同义句) ________ ________ knows the secret. 【答案】 No；one 【详解】句意：没人知道这个秘密。nobody=no one，不定代词同义替换。 15．My cousin was surfing the Internet while I was doing homework. (对划线部分 was surfing the Internet 提问) ________ ________ your cousin ________ while you were doing homework? 【答案】 What；was；doing 【详解】句意：我做作业时我的堂兄正在上网。划线为动作，what 提问；过去进行时 was 提前，doing 作实义动词。 16．I will send e‑mails as soon as I get online. (合并句子) ________ ________ I get online, I will send e‑mails. 【答案】 As；soon as 【详解】句意：我一上线就发送电子邮件。as soon as 引导时间状语从句放句首。 17．None of us likes bad online news. (改为同义句) ________ ________ of us likes bad online news. 【答案】 Not；any 【详解】句意：我们当中没有人喜欢不良网络新闻。none of = not any of。 18．We didn’t know the fact until he told us. (对划线部分 until he told us 提问) ________ ________ you ________ the fact? 【答案】 When；did；know 【详解】句意：直到他告诉我们，我们才知道真相。划线为时间，when 提问；一般过去时助动词 did，know 用原形。 19．You should check your information before you share it online. (改为同义句) Check your information ________ ________ it online. 【答案】 before；sharing 【详解】句意：网上分享信息前你应当核查信息。before 从句简化为 before + 动名词 sharing。 20．Something is wrong with my new tablet. (改为同义句) ________ ________ is wrong with my new tablet. 【答案】 Some；thing 【详解】句意：我的新平板出了一些故障。something = some thing。 21．He kept searching for videos until midnight. (对划线部分 kept searching for videos 提问) ________ ________ he ________ until midnight? 【答案】 What；did；do 【详解】句意：他一直搜寻视频直到半夜。划线为动作，what 提问；一般过去时 did，动词原形 do。 22．Each of them has a digital watch. (改为同义句) ________ ________ has a digital watch. 【答案】 Every；one 【详解】句意：他们每个人都有一块电子手表。each of them = every one。 23．I will call you after I finish my online course. (合并句子) ________ ________ I finish my online course, I will call you. 【答案】 After；/ 【详解】句意：我上完网课之后会给你打电话。after 引导时间状语从句置于句首。 24．I don’t like this mobile phone. I don’t like that one, either. (改为同义句) I like ________ ________ the two mobile phones. 【答案】 neither；of 【详解】句意：我既不喜欢这部手机，也不喜欢那一部。两者都不用 neither of。 25．They were chatting online while their teacher was giving a lesson. (对划线部分 were chatting online 提问) ________ ________ they ________ while their teacher was giving a lesson? 【答案】 What；were；doing 【详解】句意：老师上课的时候他们正在网上聊天。划线为动作，what 提问；过去进行时 were 提前，doing。 26．You won’t realize the danger until you meet it. (改为同义句) You will realize the danger ________ you ________ it. 【答案】 when；meet 【详解】句意：直到遭遇危险你才会意识到它。not…until 转换为 when 引导时间状语从句。 27．Is there anything interesting on the website? (改为同义句) Is there ________ ________ interesting on the website? 【答案】 any；thing 【详解】句意：网站上面有什么有意思的内容吗？anything = any thing，疑问句不定代词。 28．We will download the file as soon as we get the link. (对划线部分 as soon as we get the link 提问) ________ ________ you ________ the file? 【答案】 When；will；download 【详解】句意：我们一拿到链接就下载文件。划线为时间状语，when 提问；将来时 will 提前，download 原形。 29．You can find little useful news here. (改为同义句) You can find ________ ________ useful news here. 【答案】 not；much 【详解】句意：在这里你几乎找不到有用新闻。little 表几乎没有，同义替换 not much。 30．Close all the windows before you shut down your computer. (改为同义句) Close all the windows ________ ________ down your computer. 【答案】 before；shutting 【详解】句意：关闭电脑前把所有窗户关好。before 从句简化为 before + 动名词 shutting。 考点 3：动词不定式 1．He wants to invent a small robot. (改为同义句) He ________ ________ to invent a small robot. 【答案】 would；like 【详解】句意：他想要发明一台小型机器人。want to do = would like to do，动词不定式作宾语。 2．The scientist tried many ways to solve the strange problem. (对划线部分 to solve the strange problem 提问) ________ ________ the scientist try many ways ________ ________? 【答案】 What；did；to；do 【详解】句意：这位科学家尝试很多方法来解决这个奇怪问题。划线为不定式目的状语，对目的提问 what；一般过去时用 did。 3．It takes time to do science experiments. (改为同义句) ________ ________ time doing science experiments. 【答案】 We；spend 【详解】句意：做科学实验要花费时间。It takes …to do = sb spend …doing，不定式主语转换 spend 句型。 4．They decided to carry out a new test. (改为同义句) They ________ ________ to carry out a new test. 【答案】 made；a decision 【详解】句意：他们决定开展一项新的测试。decide to do = make a decision to do，一般过去时 made。 5．My dream is to become a great researcher. (对划线部分 to become a great researcher 提问) ________ ________ your dream ________ ________? 【答案】 What；is；to；be 【详解】句意：我的梦想是成为一名出色的研究员。划线为表语不定式，what 提问。 6．Remember to record your observation notes. (改为同义句) Don’t ________ ________ record your observation notes. 【答案】 forget；to 【详解】句意：记得记录你的观察笔记。remember to do = don’t forget to do，不定式作宾语。 7．The boy is too young to operate this machine. (改为同义句) The boy is ________ young ________ he can’t operate this machine. 【答案】 so；that 【详解】句意：这个男孩年龄太小，不能操作这台机器。too…to do 不定式结构同义转换 so…that 结果状语从句。 8．We hope to discover some new facts. (对划线部分 to discover some new facts 提问) ________ ________ you hope ________ ________? 【答案】 What；do；to；discover 【详解】句意：我们希望发现一些新的事实。划线是不定式宾语，what 提问；一般现在时助动词 do。 9．She planned to study the animal’s behaviour. (改为同义句) She ________ ________ to study the animal’s behaviour. 【答案】 made；plans 【详解】句意：她计划研究这种动物的行为。plan to do = make plans to do，一般过去时 made。 10．It is important to check your test results carefully. (改为同义句) ________ ________ your test results carefully is important. 【答案】 To；check 【详解】句意：认真核对你的实验结果很重要。it 作形式主语，真正主语 to check 放句首。 11．He ran fast to catch the flying balloon. (对划线部分 to catch the flying balloon 提问) ________ ________ he run fast ________ ________? 【答案】 What；did；to；do 【详解】句意：他跑得很快为了抓住飞起来的气球。划线不定式表目的，what 提问；过去时 did。 12．They chose to do further research. (改为同义句) They ________ ________ ________ to do further research. 【答案】 made；a choice 【详解】句意：他们选择做进一步研究。choose to do = make a choice to do，过去时 made。 13．The box is too heavy for me to lift up. (改为同义句) The box is ________ heavy ________ I can’t lift it up. 【答案】 so；that 【详解】句意：这个箱子太重，我抬不起来。too…to do 不定式结构转换 so…that 从句。 14．My sister wants to learn more about nature. (对划线部分 to learn more about nature 提问) ________ ________ your sister want ________ ________? 【答案】 What；does；to；learn 【详解】句意：我妹妹想要学习更多关于大自然的知识。划线不定式作宾语，what 提问；主语三单助动词 does。 15．Don’t forget to finish your biology task. (改为同义句) ________ ________ finish your biology task. 【答案】 Remember；to 【详解】句意：不要忘记完成你的生物任务。don’t forget to do = remember to do，动词不定式。 16．We need to find out the secret of this phenomenon. (改为同义句) It’s ________ ________ us to find out the secret of this phenomenon. 【答案】 necessary；for 【详解】句意：我们需要找出这个现象背后的秘密。sb need to do = It’s necessary for sb to do 不定式句型。 17．She came to the lab to interview the famous scientist. (对划线部分 to interview the famous scientist 提问) ________ ________ she come to the lab ________ ________? 【答案】 What；did；to；do 【详解】句意：她来到实验室采访这位著名科学家。划线不定式表目的，what 提问；过去时 did。 18．He wishes to win the science competition. (改为同义句) He ________ ________ ________ to win the science competition. 【答案】 has；a wish 【详解】句意：他希望赢得这次科学竞赛。wish to do = have a wish to do，一般现在时 has。 19．The question is too hard for us to work out. (改为同义句) The question is ________ hard ________ we can’t work it out. 【答案】 so；that 【详解】句意：这个问题太难，我们解不出来。too…to do 转换 so…that 从句。 20．They agreed to share their research reports together. (对划线部分 to share their research reports together 提问) ________ ________ they agree ________ ________? 【答案】 What；did；to；do 【详解】句意：他们同意一起分享他们的研究报告。划线不定式宾语，what 提问；过去时 did。 21．It is useful to keep your lab clean. (改为同义句) ________ ________ your lab clean is useful. 【答案】 To；keep 【详解】句意：保持实验室整洁很有用。it 形式主语，真正主语不定式 to keep 前置。 22．I expect to get a surprising result. (改为同义句) I ________ ________ ________ to get a surprising result. 【答案】 have；an expectation 【详解】句意：我期待得到一个出人意料的结果。expect to do = have an expectation to do。 23．The little girl got up early to watch the starry sky. (对划线部分 to watch the starry sky 提问) ________ ________ the little girl get up early ________ ________? 【答案】 What；did；to；do 【详解】句意：小女孩早起去看星空。划线不定式表目的，what 提问；一般过去时 did。 24．We offered to help with the science project. (改为同义句) We ________ ________ ________ to help with the science project. 【答案】 made；an offer 【详解】句意：我们主动提出帮忙做这个科学项目。offer to do = make an offer to do，过去时 made。 25．The river is too wide for the small animals to cross. (改为同义句) The river is ________ wide ________ small animals can’t cross it. 【答案】 so；that 【详解】句意：这条河太宽，小动物过不去。too…to 不定式结构转换 so…that 从句。 26．He plans to observe strange plants in the forest. (对划线部分 to observe strange plants in the forest 提问) ________ ________ he plan ________ ________? 【答案】 What；does；to；observe 【详解】句意：他计划去森林观察奇特植物。划线不定式宾语，what 提问；主语三单 does。 27．Please try to find more clear facts. (改为同义句) Please ________ ________ ________ to find more clear facts. 【答案】 make；an effort 【详解】句意：请尽力找出更多确凿事实。try to do = make an effort to do。 28．It is necessary to follow the lab rules. (改为同义句) ________ ________ the lab rules is necessary. 【答案】 To；follow 【详解】句意：遵守实验室规则很有必要。it 形式主语转换不定式 to follow 作真正主语置于句首。 29．She hurried to the site to collect new samples. (对划线部分 to collect new samples 提问) ________ ________ she hurry to the site ________ ________? 【答案】 What；did；to；do 【详解】句意：她赶往现场去采集新样本。划线不定式表目的，what 提问；过去时 did。 30．They want to create a simple model. (改为同义句) They ________ ________ to create a simple model. 【答案】would；like 【详解】句意：他们想要创造一个简易模型。want to do = feel like doing（本题搭配 to do，want to do = would like to do，所以此处填 would like。 1 / 15zxxk.com 学科网（北京）股份有限公司zxxk.com 学科网（北京）股份有限公司 学科网（北京）股份有限公司zxxk.com 学科网（北京）股份有限公司 $