Unit 2 Colours 语法Grammar that,if和whether引导的宾语从句-2025-2026学年九年级英语上册单元重难点易错题精练（牛津译林版）

班级 姓名 学号 分数 Unit 2 Colours that,if和whether引导的宾语从句 （时间：60分钟，满分：100分） 【知识导图】 【要点拓展】 1.that引导的宾语从句 （1）宾语从句的否定转移。 在assume、believe、except、guess、imagine、suppose、think等动词后跟的that-宾语从句是否定式时，其谓语动词不用否定形式，而将否定句在主句中表现出来。 I don't think you are right.我认为你不对。 I don't believe that they've finished their work yet.我认为他们还没有完成工作。 He doesn't expect we need worry.他认为我们不必着急。 （2）当主句中的谓语动词是表示“提议、建议、命令、要求”等意义时，that引导的宾语从句谓语动词常用虚拟语气，形式为“should+v.”，should可省略。 He proposed that the engine should be repaired in time.他提出要及时修好发动机。 2.由if/whether引导的宾语从句，当主句的谓语动词是doubt“怀疑，不知道”时，若主句是肯定句，则接if/whether-从句；若主句是否定句或疑问句，则接that-从句。 I doubt whether it's true.我怀疑这是否是真的。 I doubt if that was what he wanted.我不知道那是不是他所需要的。 She never doubted for a moment that she was right.她从不怀疑自己是正确的。 Can you doubt that he will win?你能怀疑他会获胜吗？ 注意：若doubt表“恐怕......不会”时，肯定句中也可接that-从句。 I doubt that John will come.恐怕约翰不会来。 3.if和whether的用法比较。 （1）当与or(not)连用时，通常用whether，不用if。 I wonder whether he will go himeself or send you.我不知道他亲自去还是派你去。 （2）当宾语从句位于主句之前时，通常用whether。 Whether this is true or not, I can't say.这是不是真的，我说不清。 （3）作介词宾语时，用whether。 It all depends on whether we can get their co-operation.这完全取决于我们能否得到他们的合作。 （4）与动词不定式连用时，用whether。 I don't know whether to accept or refuse.我不知道是接受还是拒绝。 【奇思巧计】 一是关键引导词，不同句词相异。 陈述句子用that，一般疑问if/whether替。 二是时态常变化，主句不同从句异。 主现从不限，主过从必过，客观真理仍用现。 三是语序要记清，从句永远陈述序。 【同步检测】 一、单项选择(本大题共40小题，每小题1.5分，共60分) 1．—Will Joe come to our new club this weekend? —I am not sure ________ he will come, but I believe ________ he will help us. A．if; whether B．that; whether C．whether; if D．whether; that 【答案】D 【详解】句意：——Joe这个周末会来我们的新俱乐部吗？——我不确定他是否会来，但我相信他会帮助我们的。 考查宾语从句引导词。if如果、是否；whether是否；that引导宾语从句时，无实义。第一空应表达“我不确定他是否要来”，用if/whether引导宾语从句； 第二句表达“但我相信他会帮助我们的”，陈述句用that引导，在句中不作任何成分。故选D。 2．—Will Helen come to our company tomorrow afternoon? —I am sure ________ she will come, but I don’t know ________ or not she’ll take part in our project. A．if; whether B．if; if C．that; if D．that; whether 【答案】D 【详解】句意：——海伦明天下午会来我们公司吗？——我确信她会来，但我不知道她是否会参加我们的项目。 考查宾语从句。if是否；whether是否；that引导宾语从句时只起引导作用，不作句子成分，且无意义。根据“I am sure...she will come”可知，第一空为宾语从句引导词，且从句为陈述句，故应用引导词that，排除选项A和B；根据“but I don’t know...or not...”可知，whether or not“是否”，第二空应用whether引导宾语从句。故选D。 3．—Do you think Jack has the ability to win the race? —I never doubt ________ win the race. A．whether he will B．whether will he C．that he will D．that will he 【答案】C 【详解】句意：——你觉得Jack有能力赢得这场赛跑吗？——我从不怀疑他会赢得比赛。 考查宾语从句。宾语从句的语序为陈述句，选项B和D是疑问语序，排除选项B和D，再根据“I never doubt...win the race.”可知，我从不怀疑他会赢，此处用that引导宾语从句符合语境。故选C。 4．I don’t doubt ________. A．that the video is worth watching B．if the video is worth watching C．that the video worth watching D．whether the video is worth watching 【答案】A 【详解】句意：我不怀疑这个视频值得观看。 考查宾语从句和固定短语。根据“don’t doubt”可知，表达确定的事情，用that引导宾语从句；sth be worth doing“某事物值得做”，固定短语。故选A。 5．—Could you please tell me _______ DeepSeek can be used to create nice pictures? —Of course. It can create a nice picture in a few seconds. A．why B．when C．whether D．how 【答案】C 【详解】句意：——你能告诉我Deep Seek是否能被用于创造新的图片吗？——当然了。它在几秒内就可以生成一张图片。 考查宾语从句引导词。why为什么；when什么时候；whether是否；how怎样。根据“Of course”可知，此处是询问Deep Seek是否能被用于创造新的图片。故选C。 6．Do you know ________ the 2025 Asian Winter Games will be held in Harbin? A．who B．if C．what D．which 【答案】B 【详解】句意：你知道2025年亚洲冬季运动会是否会在哈尔滨举行吗？ 考查宾语从句连接词。who谁；if是否；what什么；which哪一个。空处到“Harbin”位于动词“know”后，为宾语从句。根据“the 2025 Asian Winter Games will be held in Harbin”可知，此处询问是否举办，需用if引导宾语从句。故选B。 7．—Could you tell me ______? —Sure, you have! A．if I have passed the exam B．how have I passed the exam C．if have I passed the exam D．how I have passed the exam 【答案】A 【详解】句意：——你能告诉我是否通过考试了吗？——当然，你通过了！ 考查宾语从句语序和内容。if I have passed exam我是否通过考试，陈述语序；how have I passed错误语序；if have I passed错误语序；how I have passed我如何通过。根据答句“Sure, you have”可知询问“是否通过”，且从句需用陈述语序，用if I have passed符合。故选A。 8．—I wonder if John ________ next year’s talent show. —I have no idea. But I think if he ________ his class project, he will. A．joins; finishes B．will join in; will finish C．takes part in; finishes D．will take part in; finishes 【答案】D 【详解】句意：——我想知道约翰是否会参加明年的才艺表演。——我不知道。但我想如果他完成了他的班级项目，他会的。 考查时态。第一处是if引导的宾语从句，根据“next year’s talent show”可知，用一般将来时；第二处是if引导的条件状语从句，需满足“主将从现”原则，主语是“he”，动词用三单。故选D。 9．—I’m planning a trip to Tianjin this summer vacation. I wonder ________. —Why not go online to get more information about it? A．where can I eat something special B．that local people are very friendly to visitors C．if July is the best time to go there D．when will the international meeting be held in Tianjin 【答案】C 【详解】句意：——我计划今年暑假去天津旅行。我想知道七月是否是去那里的最佳时间。——为什么不去网上获取更多相关信息呢？ 考查宾语从句。where can I eat something special我在哪里可以吃到特别的东西（疑问语序）；that local people are very friendly to visitors当地人对游客非常友好（陈述语序）；if July is the best time to go there七月是否是去那里的最佳时间（陈述语序）；when will the international meeting be held in Tianjin国际会议什么时候在天津举行（疑问语序）。根据“I wonder...”可知，此处是宾语从句，宾语从句应用陈述语序，所以排除选项A和D；wonder后通常不接that引导的宾语从句，所以排除选项B。故选C。 10．—Do you think Jack has the ability to win the race? —I never doubt ________ win the race. A．whether he will B．that he will C．whether will he D．that will he 【答案】B 【详解】句意：——你觉得Jack有能力赢得那场赛跑吗？——我从不怀疑他会赢得比赛。 考查宾语从句。宾语从句的语序为陈述句，选项C和D是疑问语序，排除选项C和D，再根据“I never doubt...win the race.”可知，我从不怀疑他会赢，此处用that引导宾语从句符合语境。故选B。 11．—I don’t doubt ________ Lily won the match.   —Me neither. She practiced harder than before. A．how B．why C．that D．if 【答案】C 【详解】句意：——我毫不怀疑Lily赢得了这场比赛。——我也不怀疑。她练习比以前更加努力。 考查宾语从句引导词辨析。how怎么样；why为什么；that无实际意义；if是否。根据题干可知是宾语从句。在否定句和疑问句中，no doubt后面接that引导的宾语从句，在肯定句中，no doubt后面一般接whether 或if 引导的宾语从句。故选C。 12．—Do you believe ________ house prices will drop in the following month? —It’s hard to say. The public are still not sure ________ the government has made up its mind to do so. A．if; that B．whether; if C．that; that D．that; whether 【答案】D 【详解】句意：——你认为下个月房价会下跌吗？——这很难说。公众仍然不确定政府是否下定决心这样做。 考查宾语从句。第一个句子believe后面接的是宾语从句，从句由that来引导；在答语中not sure有不确定的意思 ，表示“是否”，后面跟宾语从句时由if/whether来引导，表示有疑问，故选D。 13．I never doubt ________ my parents’ advice is of great ________ to me as they are experienced. A．that; valuable B．that; value C．if; valuable D．whether; value 【答案】B 【详解】句意：我从不怀疑我父母的建议对我很有价值，因为他们经验丰富。 考查宾语从句引导词及词义辨析。valuable有价值的，形容词；value价值，名词。doubt用于否定句和疑问句中，后面接that引导的宾语从句；如果用于肯定句中则后面接whether/if引导的宾语从句；be of great value“很有价值的”，固定词组。故选B。 14．I don’t doubt ________ he can do the job well,  but I doubt ________ he can fi nish it on time. A．if; that B．that; whether C．whether; if D．that; that 【答案】B 【详解】句意：我不怀疑他能把工作做好，但我怀疑他是否能按时完成。 考查宾语从句的引导词。在否定句和疑问句中，doubt后接that引导的宾语从句；在肯定句中，doubt后一般接whether/if引导的宾语从句。第一空所在句为否定句，所以用that；第二空所在句为肯定句，且表示“是否”，所以用whether。故选B。 15．—Will Joe come to our new club this weekend? —I am not sure ________ he will come, but I don’t doubt ________ he will help us. A．if; whether B．that; whether C．whether; if: D．whether; that 【答案】D 【详解】句意：——Joe这个周末会来我们的新俱乐部吗？——我不确定他是否会来，但我相信他会帮助我们的。 考查宾语从句引导词。if是否；whether是否；that引导宾语从句时无实际意义。根据“I am not sure...he will come, but I don’t doubt...he will help us.”可知，第一空应表达“我不确定他是否要来”，用if/whether引导宾语从句；第二句表达“但我相信他会帮助我们的”，陈述句用that引导，在句中不作任何成分。故选D。 16．They never doubt ________ the project will be a great success, though they are not sure ________ they will have enough money to carry on with it. A．that; whether B．whether; whether C．whether; that D．that; that 【答案】A 【详解】句意：尽管他们不确定是否有足够的钱把它进行下去，但他们从不怀疑这个项目会取得巨大成功。 考查宾语从句。whether是否；that引导宾语从句，本身无实义。第一个空表示“毫不怀疑……”，宾语从句应用that引导；第二个空表示“不确定是否……”，应用whether引导。故选A。 17．—Our school trip to the countryside was very wonderful but a bit tiring. —Oh, I am wondering ________. A．how you go to the park B．what did you do during the trip C．that you played with your friends D．whether you saw something amazing 【答案】D 【详解】句意：——我们学校的乡村旅行非常棒但有点累。——哦，我想知道你是否看到了一些令人惊叹的东西。 考查宾语从句。空处位于动词“wondering”后，此句为宾语从句。时态遵循“主现从不限”。根据“Our school trip to the countryside was very wonderful but a bit tiring.”可知，旅行这件事发生在过去，从句时态用一般过去时。排除选项A；宾语从句语序为陈述句语序，排除选项B；根据“I am wondering”可知，此处应是对旅行中的某些事情好奇。故选D。 18．I’d like to know ________. A．when will he give back the book B．whether has he received my letter C．that he has been busy since last month D．if she will join in the 400- meter race 【答案】D 【详解】句意：我想知道她是否会参加 400 米赛跑。 考查宾语从句。根据“I’d like to know”可知，后面的句子作宾语从句，宾语从句要用陈述语序，即引导词+主语+谓语 + 其他，可排除AB选项；此处表达不确定的“是否”，需用疑问词whether/if引导。故选D。 19．—I’m not sure ________ my suggestion abut learning English is helpful to you. —It surely is. It helps me a lot. A．what B．when C．why D．whether 【答案】D 【详解】句意：——我不确定我关于学习英语的建议是否对你有帮助。——当然有帮助。它对我帮助很大。 考查宾语从句。what什么；when何时；why为什么；whether是否。根据答句“It surely is. It helps me a lot.”可知，空格处应填入表示“是否”的词，引导宾语从句，即不确定我关于学习英语的建议是否对你有帮助。故选D。 20．Could you tell me _______ Tom’s sister is a doctor or not? A．that B．whether C．where D．what 【答案】B 【详解】句意：你能告诉我汤姆的姐姐是否是一名医生吗？ 考查宾语从句。that引导宾语从句时，在从句中无实际意义，不充当成分；whether是否，常与or not搭配，引导宾语从句；where在哪里，引导宾语从句时，在从句中作地点状语；what什么，引导宾语从句时，在从句中作主语、宾语或表语等成分。 根据“Could you tell me…Tom’s sister is a doctor or not?”可知，这里表示询问汤姆的姐姐是否是一名医生，whether…or not表示“是否”符合语境。故选B。 21．—I don’t know ______ or not. —Me, neither. Let’s make a call to her. A．when will she come to the class party B．when she will come to the class party C．whether she will come to the class party D．whether will she come to the class party 【答案】C 【详解】句意：——我不知道她是否会来班级派对。——我也不知道。咱们给她打个电话吧。 考查宾语从句语序和固定搭配。“whether...or not”是固定搭配，表示“是否”；又因为宾语从句要用陈述句语序，即“连接词+主语+谓语”。故选C。 22．—I wonder ________ he will agree to look after my pet dog. —I believe ________ he will help you. He is an animal-lover. A．if; whether B．if; that C．that; whether D．that; if 【答案】B 【详解】句意：——我想知道他是否会同意照顾我的宠物狗。——我相信他会帮助你的。他是个动物爱好者。 考查连词词义辨析。if是否，引导的宾语从句‌则用于提出疑问或表达不确定性；whether是否，引导的宾语从句‌则用于提出疑问或表达不确定性；that引导的宾语从句‌通常用于陈述事实或信息，在句子中不充当任何成分，可省略。根据第一空前的“wonder”可知，此处表示不确定性，结合选项可知，此处用if引导宾语从句；根据第二个空前的“believe”可知，此处表示陈述信息，用that引导宾语从句。故选B。 23．I think ________you will like the story. A．if B．whether C．that D．what 【答案】C 【详解】句意：我认为你将会喜欢这个故事。 考查宾语从句的引导词。 if是否，通常用于引导宾语从句，表示一种疑问或选择； whether是否，通常用于引导宾语从句，表示一种疑问或选择；that 也可以引导宾语从句，但它不表示疑问，而是用来引出陈述的内容；what什么，通常不用于引导宾语从句，而是用来引导名词性从句。分析句子结构可知，本句是一个宾语从句。根据句意“ I think…you will like the story”（我认为……你将喜欢这个故事。）可知，此处表示说话者认为听者会喜欢这个故事，这里不需要表达疑问或选择，且所用引导词在从句中不充当成分，所以that符合题意。故选C。 24．The police did not arrest (逮捕) the doctor because they never doubted ________ the case. A．that he had nothing to do with B．whether he had nothing to do with C．that he had anything to do with D．if he had anything to do with 【答案】C 【详解】句意：警察没有逮捕医生，因为他们从不怀疑他和这个案子有任何关系。 考查宾语从句。doubted前面有never，表示否定，故用that引导；根据“The police did not arrest (逮捕) the doctor”可知，此处指他们从不怀疑他和这个案子有任何关系。故选C。 25．Mother says _____________ she won’t be free tomorrow. A．if B．who C．whether D．that 【答案】D 【详解】句意：妈妈说她明天没空。 考查宾语从句的连接词。if是否；who谁；whether是否；that引导宾语从句时不作成分。根据“Mother says…she won’t be free tomorrow.”可知，本句宾语从句是陈述句，表示妈妈说的内容，用that引导宾语从句。故选D。 26．I don’t doubt __________ he will solve the problem. A．if B．why C．how D．that 【答案】D 【详解】句意：我毫不怀疑他能解决这个问题。 考查宾语从句。if是否；why为什么；how如何；that在宾语从句中无意义，只起连接作用。根据“I don’t doubt…he will solve the problem.”可知，从句成分完整，应用that连接。故选D。 27．My father always tells me ________ practice makes perfect. A．that B．which C．how D．whether 【答案】A 【详解】句意：我父亲总是告诉我熟能生巧。 考查宾语从句。that无意义，只作引导词，在从句中不作句子成分，有时可省略；which哪一个；how怎样；whether是否。根据句意“我父亲总是告诉我熟能生巧”及语境可知，应选that引导宾语从句。故选A。 28．—Do you know ________ the new AI technology will be used in our daily lives or just for research purposes? —I’m not sure yet. I’ll check the report and let you know. A．that B．whether C．when D．where 【答案】B 【详解】句意：——你知道新的人工智能技术将用于我们的日常生活还是仅仅用于研究目的吗？——我还不确定。我查一下报告，然后告诉你。 考查宾语从句。句子是宾语从句，根据“the new AI technology will be used in our daily lives or just for research purposes?”可知用whether“是否”，指“不确定AI技术会被用于日常生活还是仅用于研究”。故选B。 29．—I don’t know _______ I can pass the exam. —Don’t worry. You studied hard and did well in the exam. I believe you will pass it. A．why B．where C．when D．whether 【答案】D 【详解】句意：——我不知道自己能否通过考试。——别担心。你学习很努力，考试成绩也很好。我相信你会通过考试的。 考查宾语从句引导词。why为什么；where在哪里；when什么时候；whether是否。分子句子可知，本句是宾语从句。根据答语“Don’t worry. You studied hard and did well in the exam. I believe you will pass it.”可知，第一句问的是自己是否能通过考试，whether“是否”符合句意，故选D。 30．—Will you go fishing with me tomorrow, Tom? —I’m not sure. I don’t know ______ the work on time. A．whether can I finish B．whether I can finish C．how can I finish D．how I can finish 【答案】B 【详解】句意：——汤姆，明天要和我一起去钓鱼吗？——我不确定。我不知道是否能按时完成工作。 考查宾语从句。根据句意可知，此处表达“是否可以准时完成工作”，故引导词为whether；宾语从句用陈述句语序，主语在谓语前，故选B。 31．—Let’s go on a trip to Zhenguo Temple by Hellobike this Saturday, shall we? —Good idea. But I wonder ________. A．how can I download Hellobike App B．whether it’s going to rain C．how much should we pay for the Hellobike D．that we can meet at the school gate 【答案】B 【详解】句意：——我们周六骑Hellobike去镇国寺旅行吧，怎么样？—— 好主意，但我担心是否会下雨。 考查宾语从句。从句语序用陈述语序，排除A和C；结合wonder可知，空处是询问问题，排除选项D。故选B。 32．The cat looked so cute that the kids asked their mother ________ they could keep it. A．if B．unless C．that D．which 【答案】A 【详解】句意：这只猫看起来很可爱，孩子们问妈妈是否可以收养它。 考查宾语从句的引导词。if是否；unless除非；that那个；which哪一个。句子中“they could keep it”是宾语从句，表示孩子们询问母亲是否可以养猫。需要一个表示询问的引导词，因此选择“if”，表示“是否”。故选A。 33．The children said ________ they ________ themselves very much. A．if; enjoy B．that; enjoy C．if; enjoyed D．that; enjoyed 【答案】D 【详解】句意：孩子们说他们玩得很开心。 考查宾语从句。if引导宾语从句时，主要表示“是否”的意思，用于引导一般疑问句；that引导宾语从句用来陈述事实，that本身无词义，在从句中不作任何成分。由“The children said…”可知，主句为一般过去时，从句应用相应的过去时态，排除A和B；又由“The children said…they enjoyed themselves very much”可知，此处陈述事实，应用that引导宾语从句，没有词义，在从句中不作任何成分。故选D。 34．I never doubt ________ Guilin is well worth ________. A．if; a visit B．whether; visiting C．that; a visit D．that; to visit 【答案】C 【详解】句意：我从不怀疑桂林很值得一游。 考查宾语从句和worth的用法。根据“I never doubt”可知，不怀疑的为确定的事实，用that引导宾语从句，排除A和B；be worth后可接名词或doing，表示“值得……”。故选C。 35．—What’s wrong with your uncle? —We’re sure ________ something is wrong with him, but we doubt ________ the disease can kill him. A．if; whether B．that; that C．whether; if D．that; whether 【答案】D 【详解】句意：——你叔叔怎么了？——我们确定他身体出了点问题，但我们怀疑这种病是否会导致他死亡。 考查宾语从句的引导词。if是否；whether是否。分析句子结构可知，两空引导的都是宾语从句，第一空根据“something is wrong with him”可知，引导词在从句中不充当任何成分且没有任何含义，所以用从属连词that；第二空根据“we doubt”可知，此处是指“我们”怀疑这种病是否会导致他死亡，所以应用whether表示“是否”。故选D。 36．I believe _____________ the Spring Festival will be fun. A．that B．how C．whether D．if 【答案】A 【详解】句意：我相信春节会很有趣。 考查宾语从句的引导词。that引导宾语从句时无意义；how怎样；whether/if是否。分析题干可知，空格处是宾语从句的引导词，从句不缺成分，且引导词无意义，只起连接作用，故选A。 37．—I’ve worked much harder than before, but I’m still behind others. —It takes time. I’m sure ________ you will make progress sooner or later. A．if B．that C．whether D．what 【答案】B 【详解】句意：——我比以前努力了很多，但还是落后于其他人。——这需要时间。我相信你迟早会取得进步的。 考查从属连词辨析。if如果，是否；that引导名词性从句时无意义，引导定语从句时为关系代词；whether是否；what什么。根据“I’m sure… you will make progress sooner or later.”可知，sure后面的从句是宾语从句，从句不缺成分，且为陈述句，所以用从属连词that，起连接作用。故选B。 38．—Do you know ______ we will have a picnic tomorrow? —I’m not sure. It depends on the weather. A．who B．that C．when D．whether 【答案】D 【详解】句意：——你知道我们明天是否去野餐？——我也不确定。这取决于天气。 考查宾语从句。who谁；that那个；when什么时候；whether是否。根据“I’m not sure. It depends on the weather.”可知，此处对野餐是否举行表示疑问，whether引导宾语从句。故选D。 39．—Do you know ________ Miss Liu can join the school leavers’ party next week? —She will if she is free. A．when B．who C．whether D．how 【答案】C 【详解】句意：——你知道刘老师下周是否能参加毕业生派对吗？——如果她有空她会来的。 考查宾语从句连接词。when何时；who谁；whether是否；how怎样。根据“Do you know…party next week?”和答语可知，此处询问的是刘老师是否能参加毕业生派对，故选C。 40．The boy asked his mother ______ go skating on the frozen lake. A．if could he B．whether he could C．how he could D．that he can 【答案】B 【详解】句意：男孩问他母亲是否可以去结冰的湖上滑冰。 考查宾语从句。从句的语序应为陈述句语序，排除A项；主句是一般过去时，从句也用过去的时态，排除D项；C项“how he could”表示“如何”，不符合句意；“whether”常用于引导表示“是否”的宾语从句，符合句意和语法规则。故选B。 二、完成句子(本大题共10小题，每小题4分，共40分) 41．我猜晚饭我们将吃面条。 I we will eat noodles for supper. 【答案】 suppose that 【详解】根据中英文对照可知，suppose“猜想，认为”，后面接宾语从句。从句部分意义完整，连接词用that。主句是一般现在时，主语是I，动词suppose用原形。故填suppose；that。 42．他认为每一个学生都要写一手漂亮的中文字很重要。 He thinks every student can write beautiful Chinese characters. 【答案】it important that 【详解】根据句意并结合句子结构可知，此处用it作形式宾语，代替真正的that引导的宾语从句；important“重要的”，形容词，作宾补。故填it important that。 43．我认为四月是泰国最热的月份。 I April is the hottest month in Thailand. 【答案】 believe that 【详解】I believe that...“我认为……”，that后接宾语从句；根据语境可知，此句表达现在的看法，应用一般现在时，主语为I，谓语动词believe用原形。故填believe；that。 44．大多数人没有意识到自己正呼吸着被污染的空气。 Most people don’t that they polluted air. 【答案】 realize are breathing 【详解】对比中英文可知，空处缺少“意识到”和“正呼吸着”；分析题干可知，句子为含宾语从句的主从复合句；realize“意识到”，动词，空前有助动词“don’t”，此处主句谓语动词用原形；由语境可知，从句时态应用现在进行时，其结构为be doing；从句主语为“they”，be动词用are；breathe“呼吸”，动词，现在分词为breathing。故填realize；are；breathing。 45．史密斯先生，我得提醒你10分钟后有个会议。 Mr. Smith, I have to you you’ll have a meeting in ten minutes. 【答案】 remind that 【详解】结合中英文提示可知，此处缺“提醒”，其对应的英文表达为remind，动词，不定式to后应用其动词原形，故第一空应用remind；且“you’ll have a meeting in ten minutes”为宾语从句，表示补充说明提醒的内容，remind sb. that意为“提醒某人某事”，第二空应用that引导宾语从句。故填remind；that。 46．汤姆不知道他能否坚持下来，但他还是决定尝试一下。 Tom didn’t know keep on exercising, but he decided to give it a try. 【答案】 whether/if he could 【详解】根据中英文对照，可知缺少“他能否”，是否“whether/if”，他“he”，能“can”，根据“Tom didn’t know...”可知，此处为宾语从句，主句时态为一般过去时，从句也应使用过去的某种时态，故此处can应用其过去式could。故填whether/if；he；could。 47．我想知道你能否和我一起去黄果树瀑布。 I you can go to HuangGuoShu Waterfall with me. 【答案】 wonder if/whether 【详解】根据中英文对照可知，“想知道”译为wonder，后面接宾语从句来表达想知道的具体内容，且此处句子由if或whether引导，表达“是否”。故填wonder；if/whether。 48．我想知道你是否能来。 I you can come or not. 【答案】 wonder whether 【详解】根据中英文对照可知，空处缺“想知道是否”的英文。本句为宾语从句，wonder“想知道”谓语动词，因是陈述现在想法，故主句时态为一般现在时，主语为I，谓语动词用原形；whether...or not表示“是否”，固定搭配，其中whether为宾语从句引导词。故填wonder；whether。 49．许多学生想知道是否还有更好的方法来解这道数学题。 Many students there is a better way to work out the math problem. 【答案】 wonder if/whether 【详解】中英文对照可知，此处缺少中文“想知道是否”的翻译，其中“想知道”在英文中对应“wonder”，意为“感到好奇或想知道某事”，句子应用一般现在时，主语为Many students，谓语用动词原形；“是否”在英文中可以用“if”或“whether”来表示，两者在此上下文中均可，用于引导一个表示疑问或不确定性的宾语从句。故填wonder；if/whether。 50．Annie想知道九月是否是访问珠海的最佳时间。 Annie September is the best time to visit Zhuhai. 【答案】 wonders whether/if 【详解】根据中文提示可知，第一空“想知道”可以用“wonder”表达；第二空“是否”可以用“if/whether”；“九月是访问珠海的最佳时间”是一个宾语从句，用陈述句语序，且从句时态是一般现在时，主句也是一般现在时，主语是Annie，谓语动词使用三单形式。故填wonders；whether/if。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 2 Colours that,if和whether引导的宾语从句 （时间：60分钟，满分：100分） 【知识导图】 【要点拓展】 1.that引导的宾语从句 （1）宾语从句的否定转移。 在assume、believe、except、guess、imagine、suppose、think等动词后跟的that-宾语从句是否定式时，其谓语动词不用否定形式，而将否定句在主句中表现出来。 I don't think you are right.我认为你不对。 I don't believe that they've finished their work yet.我认为他们还没有完成工作。 He doesn't expect we need worry.他认为我们不必着急。 （2）当主句中的谓语动词是表示“提议、建议、命令、要求”等意义时，that引导的宾语从句谓语动词常用虚拟语气，形式为“should+v.”，should可省略。 He proposed that the engine should be repaired in time.他提出要及时修好发动机。 2.由if/whether引导的宾语从句，当主句的谓语动词是doubt“怀疑，不知道”时，若主句是肯定句，则接if/whether-从句；若主句是否定句或疑问句，则接that-从句。 I doubt whether it's true.我怀疑这是否是真的。 I doubt if that was what he wanted.我不知道那是不是他所需要的。 She never doubted for a moment that she was right.她从不怀疑自己是正确的。 Can you doubt that he will win?你能怀疑他会获胜吗？ 注意：若doubt表“恐怕......不会”时，肯定句中也可接that-从句。 I doubt that John will come.恐怕约翰不会来。 3.if和whether的用法比较。 （1）当与or(not)连用时，通常用whether，不用if。 I wonder whether he will go himeself or send you.我不知道他亲自去还是派你去。 （2）当宾语从句位于主句之前时，通常用whether。 Whether this is true or not, I can't say.这是不是真的，我说不清。 （3）作介词宾语时，用whether。 It all depends on whether we can get their co-operation.这完全取决于我们能否得到他们的合作。 （4）与动词不定式连用时，用whether。 I don't know whether to accept or refuse.我不知道是接受还是拒绝。 【奇思巧计】 一是关键引导词，不同句词相异。 陈述句子用that，一般疑问if/whether替。 二是时态常变化，主句不同从句异。 主现从不限，主过从必过，客观真理仍用现。 三是语序要记清，从句永远陈述序。 【同步检测】 一、单项选择(本大题共40小题，每小题1.5分，共60分) 1．—Will Joe come to our new club this weekend? —I am not sure ________ he will come, but I believe ________ he will help us. A．if; whether B．that; whether C．whether; if D．whether; that 2．—Will Helen come to our company tomorrow afternoon? —I am sure ________ she will come, but I don’t know ________ or not she’ll take part in our project. A．if; whether B．if; if C．that; if D．that; whether 3．—Do you think Jack has the ability to win the race? —I never doubt ________ win the race. A．whether he will B．whether will he C．that he will D．that will he 4．I don’t doubt ________. A．that the video is worth watching B．if the video is worth watching C．that the video worth watching D．whether the video is worth watching 5．—Could you please tell me _______ DeepSeek can be used to create nice pictures? —Of course. It can create a nice picture in a few seconds. A．why B．when C．whether D．how 6．Do you know ________ the 2025 Asian Winter Games will be held in Harbin? A．who B．if C．what D．which 7．—Could you tell me ______? —Sure, you have! A．if I have passed the exam B．how have I passed the exam C．if have I passed the exam D．how I have passed the exam 8．—I wonder if John ________ next year’s talent show. —I have no idea. But I think if he ________ his class project, he will. A．joins; finishes B．will join in; will finish C．takes part in; finishes D．will take part in; finishes 9．—I’m planning a trip to Tianjin this summer vacation. I wonder ________. —Why not go online to get more information about it? A．where can I eat something special B．that local people are very friendly to visitors C．if July is the best time to go there D．when will the international meeting be held in Tianjin 10．—Do you think Jack has the ability to win the race? —I never doubt ________ win the race. A．whether he will B．that he will C．whether will he D．that will he 11．—I don’t doubt ________ Lily won the match.   —Me neither. She practiced harder than before. A．how B．why C．that D．if 12．—Do you believe ________ house prices will drop in the following month? —It’s hard to say. The public are still not sure ________ the government has made up its mind to do so. A．if; that B．whether; if C．that; that D．that; whether 13．I never doubt ________ my parents’ advice is of great ________ to me as they are experienced. A．that; valuable B．that; value C．if; valuable D．whether; value 14．I don’t doubt ________ he can do the job well,  but I doubt ________ he can fi nish it on time. A．if; that B．that; whether C．whether; if D．that; that 15．—Will Joe come to our new club this weekend? —I am not sure ________ he will come, but I don’t doubt ________ he will help us. A．if; whether B．that; whether C．whether; if: D．whether; that 16．They never doubt ________ the project will be a great success, though they are not sure ________ they will have enough money to carry on with it. A．that; whether B．whether; whether C．whether; that D．that; that 17．—Our school trip to the countryside was very wonderful but a bit tiring. —Oh, I am wondering ________. A．how you go to the park B．what did you do during the trip C．that you played with your friends D．whether you saw something amazing 18．I’d like to know ________. A．when will he give back the book B．whether has he received my letter C．that he has been busy since last month D．if she will join in the 400- meter race 19．—I’m not sure ________ my suggestion abut learning English is helpful to you. —It surely is. It helps me a lot. A．what B．when C．why D．whether 20．Could you tell me _______ Tom’s sister is a doctor or not? A．that B．whether C．where D．what 21．—I don’t know ______ or not. —Me, neither. Let’s make a call to her. A．when will she come to the class party B．when she will come to the class party C．whether she will come to the class party D．whether will she come to the class party 22．—I wonder ________ he will agree to look after my pet dog. —I believe ________ he will help you. He is an animal-lover. A．if; whether B．if; that C．that; whether D．that; if 23．I think ________you will like the story. A．if B．whether C．that D．what 24．The police did not arrest (逮捕) the doctor because they never doubted ________ the case. A．that he had nothing to do with B．whether he had nothing to do with C．that he had anything to do with D．if he had anything to do with 25．Mother says _____________ she won’t be free tomorrow. A．if B．who C．whether D．that 26．I don’t doubt __________ he will solve the problem. A．if B．why C．how D．that 27．My father always tells me ________ practice makes perfect. A．that B．which C．how D．whether 28．—Do you know ________ the new AI technology will be used in our daily lives or just for research purposes? —I’m not sure yet. I’ll check the report and let you know. A．that B．whether C．when D．where 29．—I don’t know _______ I can pass the exam. —Don’t worry. You studied hard and did well in the exam. I believe you will pass it. A．why B．where C．when D．whether 30．—Will you go fishing with me tomorrow, Tom? —I’m not sure. I don’t know ______ the work on time. A．whether can I finish B．whether I can finish C．how can I finish D．how I can finish 31．—Let’s go on a trip to Zhenguo Temple by Hellobike this Saturday, shall we? —Good idea. But I wonder ________. A．how can I download Hellobike App B．whether it’s going to rain C．how much should we pay for the Hellobike D．that we can meet at the school gate 32．The cat looked so cute that the kids asked their mother ________ they could keep it. A．if B．unless C．that D．which 33．The children said ________ they ________ themselves very much. A．if; enjoy B．that; enjoy C．if; enjoyed D．that; enjoyed 34．I never doubt ________ Guilin is well worth ________. A．if; a visit B．whether; visiting C．that; a visit D．that; to visit 35．—What’s wrong with your uncle? —We’re sure ________ something is wrong with him, but we doubt ________ the disease can kill him. A．if; whether B．that; that C．whether; if D．that; whether 36．I believe _____________ the Spring Festival will be fun. A．that B．how C．whether D．if 37．—I’ve worked much harder than before, but I’m still behind others. —It takes time. I’m sure ________ you will make progress sooner or later. A．if B．that C．whether D．what 38．—Do you know ______ we will have a picnic tomorrow? —I’m not sure. It depends on the weather. A．who B．that C．when D．whether 39．—Do you know ________ Miss Liu can join the school leavers’ party next week? —She will if she is free. A．when B．who C．whether D．how 40．The boy asked his mother ______ go skating on the frozen lake. A．if could he B．whether he could C．how he could D．that he can 二、完成句子(本大题共10小题，每小题4分，共40分) 41．我猜晚饭我们将吃面条。 I we will eat noodles for supper. 42．他认为每一个学生都要写一手漂亮的中文字很重要。 He thinks every student can write beautiful Chinese characters. 43．我认为四月是泰国最热的月份。 I April is the hottest month in Thailand. 44．大多数人没有意识到自己正呼吸着被污染的空气。 Most people don’t that they polluted air. 45．史密斯先生，我得提醒你10分钟后有个会议。 Mr. Smith, I have to you you’ll have a meeting in ten minutes. 46．汤姆不知道他能否坚持下来，但他还是决定尝试一下。 Tom didn’t know keep on exercising, but he decided to give it a try. 47．我想知道你能否和我一起去黄果树瀑布。 I you can go to HuangGuoShu Waterfall with me. 48．我想知道你是否能来。 I you can come or not. 49．许多学生想知道是否还有更好的方法来解这道数学题。 Many students there is a better way to work out the math problem. 50．Annie想知道九月是否是访问珠海的最佳时间。 Annie September is the best time to visit Zhuhai. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $