Unit 5 Save the endangered animals 单元语法练习-2024-2025学年八年级英语下册单元语法精讲精练(沪教牛津版)

2025-04-25
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学段 初中
学科 英语
教材版本 初中英语沪教牛津版(广州深圳沈阳通用)(2012)八年级下册
年级 八年级
章节 Unit 5 Save the endangered animals
类型 题集-专项训练
知识点 -
使用场景 同步教学-单元练习
学年 2025-2026
地区(省份) 全国
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发布时间 2025-04-25
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Unit 5 Save the endangered animals 含有形容词的句型 (时间:40分钟,满分:100分) It is + adj. + for + n./pron. + to + v. 1. It is important for us to protect them. 2. It is good for people to save endangered animals. (1)在句型“Itis+adj.+for+n./pron.+to+v.”中,it是形式主语,动词不定式是真正的主语。 (2)此句型中的形容词表示句中动作的特征,如可能性、必要性、重要性、紧迫性、频繁程度以及价值判断等。常用于这一句型的形容词有:common, easy, right, good, (un)important, (un)necessary,(im)possible,(un)usual等。 adj. +enough+to+v. 1. They are strong enough to protect themselves. 2. The baby panda is not old enough to eat bamboo. = The baby panda is too young to eat bamboo. (1)在“adj.+enough+to+v.”结构中,enough为副词,修饰形容词时放在其后,表示主语所指的对象有足够的能力去做某件事,该句型意为“足够······来······;太······以至于 . . . . . (2)此结构的否形式为“not+adj.+enough+to+v.”,意为“不够....来··. . . ·”;可与“too+adj. +to+v. ”表达相似的句意。 It is + adj. + of + n. / pron.+to+v. 1. It is cruel of them to kill pandas. 2. It is kind of the boy to try to save the dog. (1)在句型“It is+adj.+of+ n./ pron.+to+v.”中,it是形式主语,动词不定式是真正的主语。 (2)此句型中的形容词表示句中的人或事物的特征。常用于此句型的形容词有:careless,clever,good,kind,nice,polite,silly等。 一、单项选择(本大题共30小题,每小题2分,共60分) 1.Jack is ________ to answer the question correctly. A.too clever B.so clever C.enough clever D.clever enough 【答案】D 【详解】句意:杰克很聪明,能正确地回答这个问题。 考查副词辨析。too clever to do sth.太聪明而不能做某事”,表示否定;so clever如此聪明,其后不与to连用;enough clever搭配错误;clever enough足够聪明。分析题干,此处表示杰克足够聪明来做某事,enough修饰形容词或副词时,需后置。“enough+adj. to do sth.”意为“足够……做某事”符合语境。故填D。 2.Is ________ possible to fly to the Moon in a spaceship? A.this B.that C.it D./ 【答案】C 【详解】句意:坐宇宙飞船飞往月球有可能吗? 考查代词。this这,这个;that那,那个;it它;/不填。根据“Is ... possible to fly to the Moon in a spaceship?”可知,固定句型:It is+adj.+to do sth.,it是形式主语,真正的主语是“to fly to the moon in a spaceship”。故选C。 3.It is impossible ________ me ________ all the new words in such a short time. A.of; to remember B.of; remember C.for; remember D.for; to remember 【答案】D 【详解】句意:我不可能在这么短的时间内记住所有的新单词。 考查it的固定句式。分析句子结构并结合选项可知,此处为固定句式“it is+adj. for/of sb. to do sth.”,当形容词描述事物的性质,介词用for,若形容词描述人的特性,介词用of;impossible“不可能的”,描述事物的性质,介词用for。故选D。 4.It’s time for us ________ hiking. Let’s ________ to the forest. A.to go; go B.to go; to go C.go; go D.going; go 【答案】A 【详解】句意:是我们去远足的时候了。咱们去森林吧。 考查it固定句型与词组搭配。“It’s time for sb. to do sth.”是固定句型,意为“是某人做某事的时候了”,所以第一空用to go;“Let’s + 动词原形”是固定用法,表示“咱们做某事吧” ,所以第二空用go。故选A。 5.It’s nice ________ you ________ me with my English. A.for; to help B.of; helping C.of; to help 【答案】C 【详解】句意:你帮助我学英语真是太好了。 考查It固定句型。for对……来说;of……的。此处是It’s+adj+for/of sb to do sth句型,此处“nice”是修饰人的品质,用介词of。故选C。 6.—It’s important ________ us to do exercises every day. —Yes, it can keep us healthy. A.about B.with C.for D.of 【答案】C 【详解】句意:—— 每天锻炼对我们来说很重要。—— 是的,它能让我们保持健康。 考查介词辨析。about关于;with和……一起;for为……;of……的。此处是it is+形容词+for sb.+to do句型,意为“对某人来说做某事是……的”。故选C。 7.—It was careless ________ Daniel to leave the lights on again. —Yes. Let’s turn them off. A.of B.for C.to D.by 【答案】A 【详解】句意:——丹尼尔太粗心了,又没关灯。——是的。让我们把它们关掉。 考查介词辨析。of……的;for为了;to向,朝着;by通过。根据“It was careless ... Daniel to leave the lights on again.”可知,it is adj. for/of sb. to do do sth.“做某事对某人而言是……的/某人做某事是……的”;careless“粗心的”,形容人的性格,介词应用of。故选A。 8.It is kind ________ the young man ________ blood to people in need. A.for; to donate B.of; donating C.of; to donate D.for; donating 【答案】C 【详解】句意:那个年轻人为有需要的人献血真善良。 考查it固定句型。It’s adj. of sb. to do sth.表示“某人做某事……”,描述某人品格,要用of引出对象,后面动词用不定式形式。故选C。 9. ________ is not right to smoke in public places. A.It B.This C.That D.There 【答案】A 【详解】句意:在公共场所吸烟是不对的。 考查代词辨析。It它;This这;That那;There那里。本句是固定句式“It is +形容词+to do sth.”,意为“做某事是……”,it为形式主语,动词不定式为真正主语,故选A。 10.It is not easy ________ us ________ others all the time because we all have different personalities. A.for; to understand B.of; to understand C.for; understanding D.of; understanding 【答案】A 【详解】句意:我们不总是很容易地就能理解他人,因为我们有不同的性格。 考查固定句型。It is+形容词+for/of sb.+to do sth. “做某事对于某人来说是……”,用介词for时,前面的形容词修饰事物;用介词of时,形容词修饰人,表示人的性格特征。此处easy指理解他人很容易,应使用介词for,排除选项B、D。第二空是动词不定式作主语,应使用to understand。故选A。 11.It’s not polite ________ loudly when you are in public. A.to speak B.speak C.speaking 【答案】A 【详解】句意:在公共场所大声说话是不礼貌的。 考查非谓语。此处是固定句型“It’s adj to do sth”,空处用不定式形式,故选A。 12.It’s very nice _______ pictures for me. A.of you to draw B.for you to draw C.for you drawing 【答案】A 【详解】句意:你真是太好了,能来为我画画。 考查it的固定句型。it’s adj. for sb. to do sth.“做某事对某人而言是……的”,for sb.的句型常用于表示事物的特征或特点;it’s adj. of sb. to do sth.“某人做某事怎么样”,of sb.的句型一般表示人物的性格或品德。此处的“nice”形容的是人的品质,应用of sb.句型,of you to draw符合语境。故选A。 13.________ easy ________ English every morning. A.That’s; keep reading B.It’s; keep reading C.That’s; to keep reading D.It’s; to keep reading 【答案】D 【详解】句意:每天早上坚持读英语很容易。 考查it固定句式及非谓语动词。根据“…easy…English every morning.”可知,此处应用it的固定句式,It’s+形容词+to do sth.“做某事是……的”,It作形式主语,真正的主语为动词不定式,第一个空应填It’s;keep doing sth.“继续做某事”,为动词短语,第二个空应填to keep reading。故选D。 14. ________ is necessary for everybody ________ the importance of keeping healthy. A.It; to know B.It; knows C.This; to know D.That; to know 【答案】A 【详解】句意:每个人都有必要知道保持健康的重要性。 考查固定句型。It is necessary for sb. to do sth“对某人来说做某事是非常必要的”,是固定句型,动词不定式作真正主语。故选A。 15.It’s fun ________ outside in spring. A.play B.plays C.to playing D.to play 【答案】D 【详解】句意:春天在外面玩很有趣。 考查非谓语动词。It’s fun to do sth“做某事很有趣”,是固定结构,空处用不定式作主语,it是形式主语,故选D。 16.—Mum, it’s so far from our home to the zoo! —Is it ________ to take a taxi? A.popular B.necessary C.possible D.hard 【答案】B 【详解】句意:——妈妈,从我们家到动物园太远了!——有必要乘出租车吗? 考查形容词辨析。popular流行的; necessary 必要的;possible可能的;hard艰难的。根据“ it’s so far from our home to the zoo”路程远;可知此处指“有必要乘出租车吗”。故选B。 17.It’s important for him ________ the piano well. A.play B.to play C.playing D.plays 【答案】B 【详解】句意:钢琴弹得好对他来说很重要。 考查非谓语动词。固定句式:It’s+形容词+for sb to do sth“对于某人来说做某事是……的”,动词不定式作主语,故选B。 18.Is ________ necessary to be so strict with your son? He’s only 4 years old. A.one B.this C.that D.it 【答案】D 【详解】句意:有必要对你儿子这么严格吗?他才四岁。 考查it的固定句型。根据题干可知,此处是it的固定句型“It is +形容词+to do sth”,其中it是形式主语,真正的主语是后面的动词不定式。本题为一般疑问句,需把is提到形式主语it的前面。故选D。 19.It’s impolite_________ others’ rooms without knocking on the door. A.entered B.enter C.entering D.to enter 【答案】D 【详解】句意:没有敲门就进入别人房间是不礼貌的。 考查非谓语动词。根据题干“It’s impolite…others’ rooms without knocking on the door.”可知此处是It的固定句型“It’s+adj.+to do sth.”,意为“做某事是……的”,空处应填动词不定式。故选D。 20.It’s very helpful ________ books. A.read B.to read C.reading D.read 【答案】B 【详解】句意:读书很有帮助。 考查非谓语动词。it is adj. to do sth.“做某事是……的”,动词不定式作主语。故选B。 21.It’s clever _______ her _______ the math problem. A.of; to solve B.for; to solve C.of; solving D.for; solving 【答案】A 【详解】句意:她解出了这道数学题,真聪明。 考查it固定句型。“It is+adj.+of sb.+to do sth.”表示“某人做某事是……的”,此处形容词修饰人的性格;“It is+adj.+for sb.+to do sth.”表示“做某事对某人来说是……的”,此处形容词修饰事物。形容词clever“聪明的”表示人的性格,所以第一空用of,第二空用不定式。故选A。 22.He is ________ to show me the way to the library. A.enough kind B.kind enough C.kindly enough D.enough kindly 【答案】B 【详解】句意:他很友善,给我指明了去图书馆的路。 考查固定短语。kind enough足够善良;kindly enough足够亲切。“be + 形容词 + enough to do sth.”表示“足够……去做某事”,kind是形容词,意为“友善的”,enough修饰形容词时要后置,所以用kind enough。故选B。 23.I think he is __________ apples with us. Let him have a try. A.old enough picking B.enough old to pick C.old enough to pick D.enough old picking 【答案】C 【详解】句意:我认为他年龄足够大,可以和我们一起摘苹果了。让他试试吧。 考查固定短语。“be + 形容词 + enough to do sth.”表示“足够……去做某事”,enough修饰形容词时要后置,所以是“old enough”;“to do sth.”是不定式作结果状语,说明足够大的结果是可以去摘苹果,所以用“to pick”。故选C。 24.The room upstairs is __________ three desks. You three can work there. A.very big to hold B.big enough to hold C.enough big to hold D.too big to hold 【答案】B 【详解】句意:楼上的房间足够大,可以放下三张桌子。你们三个可以在那里工作。 考查enough的用法。根据“You three can work there.”可知,是指房间足够大,可以容纳三张桌子,用“形容词+enough to do”的结构,表示“足以……可以做某事”。故选B。 25.As an adult, he must work ________ to earn ________ to support his family. A.hardly enough; enough money B.enough hard; enough money C.hard enough; money enough D.hard enough; enough money 【答案】D 【详解】句意:作为一个成年人,他必须足够努力地工作,挣足够多的钱抚养他的家庭。 考查enough用法。hardly enough几乎不够;enough hard错误表达;hard enough足够努力;enough money足够的钱;money enough错误表达。enough修饰副词和形容词时,用于副词和形容词之后;修饰名词时,用于名词之前。分析句子结构和选项可知,第一空应用hard enough,作状语,修饰动词work;第二空应用enough money,作动词earn的宾语,其中enough作定语,修饰名词money。故选D。 26.Sandy is ________ to notice small changes around her. A.careful enough B.too careful C.carefully enough D.too carefully 【答案】A 【详解】句意:桑迪非常细心,能注意到她周围的小变化。 考查形容词及enough后置。careful细心的,形容词;carefully细心地,副词。分析句子结构可知,is后应用形容词careful作表语;根据“Sandy is…to notice small changes around her.”的语境可知,此处指桑迪非常细心,能注意到变化,too…to“太……而不能”,与语境相矛盾,所以A项符合。故选A。 27.I find this book ________ for a six-year-old child to read. A.enough easy B.easy enough C.easily enough 【答案】B 【详解】句意:我发现这本书对一个六岁的孩子来说很容易读。 考查形容词和enough的用法。easy容易的,形容词;easily容易地,副词。此处是结构find sth. adj.“发现某物是……的”,形容词作宾语补足语,enough修饰形容词时需后置。故选B。 28.—Zhang Tao jumped _________ to win the first place in the high jump. —Yes, he is a great boy. A.high enough B.highly enough C.enough high 【答案】A 【详解】—张涛跳得足够高, 赢得了跳高比赛的第一名。 —是的, 他是个很棒的男孩。 考查enough副词用法。high enough足够高;highly enough足够高,强调程度非常高; 当副词enough修饰形容词时, 它通常放在形容词之后。故选A。 29.Tom was not ________ to make many mistakes in the exam. A.careful enough B.careless enough C.enough careful D.enough careless 【答案】A 【详解】句意:汤姆不够细心,在考试中犯了许多错误。 考查形容词辨析及enough的用法。careful仔细的;careless粗心的。根据“Tom was not…to make many mistakes”可知,此处指“汤姆不够细心”,故排除B、D项。enough修饰形容词需后置。故选A。 30.Jane is always ________ to share her things with us. That’s why she is popular. A.too generous B.enough generous C.generous enough 【答案】C 【详解】句意:简总是很慷慨地和我们分享她的东西。那就是她很受欢迎的原因。 考查enough的用法。too generous to太慷慨而不能……;enough generous没有此用法;generous enough足够慷慨。enough应该放在形容词之后,意为“足够怎样”。根据“That’s why she is popular.”可知简很慷慨,故选C。 二、完成句子(本大题共10小题,每小题4分,共40分) 31.对学生来说,不需要现在就做家务。 for students to do chores now. 【答案】 It is not necessary 【详解】对照中英文可知,缺少“不需要”。描述事实用一般现在时。此句可以用“It is+形容词+for sb to do sth”“对于某人来说做某事是……的”结构。“有需要的,必要的”用necessary,形容词;原句表示否定,在is后加not。因此“不需要”可以表达为It is not necessary;故填It;is;not;necessary。 32.对很多老师来说,一对一的开展他们的工作是困难的。 It is hard . 【答案】 for many teachers to do their work one-on-one/one-to-one 【详解】此处为“it is hard for sb to do sth.”做某事对某人来说很困难;“many teachers”很多老师;“do one’s work”开展某人的工作,“their”他们的;“one-on-one/one-to-one”一对一的。故填for;many;teachers;to;do;their;work;one-on-one/one-to-one. 33.她帮助有需要的人,真是心地善良。 kind her to help others . 【答案】 It’s of in need 【详解】某人做某事对某人来说是……:It’s adj. of sb. to do sth.,形容词是形容人的品格,因此用of;有需要:in need。故填It’s;of;in;need。 34.要想出一个完美解决这个问题的方法真的很难。 to think of a perfect idea to solve the problem. 【答案】 It’s difficult 【详解】根据中英文对照可知,此句使用句型“It’s +形容词+to do sth”,意为“做某事……”;difficult“困难的”。故填It’s;difficult。 35.他独自完成这个漫画创作,真了不起! It’s great him to draw this cartoon . 【答案】 for on his own 【详解】it is adj. for sb. to do sth.“对某人来说做某事怎么样”,是it的固定句型;on one’s own“独自”,此处的one’s为his。故填for;on;his;own。 36.训练你的小狗是很有意思的。 interesting your little dog. 【答案】 It’s to train 【详解】由汉语和所给的英语翻译可知“训练”译成:train;“It is+形容词+to do sth.”表示“做某事怎么样”。其中it作形式主语,代替后面的不定式to do sth.(真正主语)。故填It’s;to;train。 37.为残疾人提供帮助是有意义的。 It’s help for the disabled. 【答案】 meaningful to provide 【详解】做某事是……的:it is adj. to do sth.;有意义的:meaningful;给某人提供某物:provide sth. for sb.。故填meaningful;to;provide。 38.孩子们很有礼貌,他们能排队等待轮到他们。 The children are queue . 【答案】 polite enough to for their turns 【详解】根据中英文对照可知,形容词+enough to do sth.“足够……去做某事”,固定搭配;polite“有礼貌的”,形容词;queue for their turns“排队等候轮到他们”。故填polite enough to;for their turns。 39.他足够勤奋,考试能得满分。 He get full marks in exams. 【答案】is hard-working enough to 【详解】根据中英文对照可知,英文句子缺少“足够勤奋”,enough是副词,修饰形容词hard-working,表示“足够勤奋”,enough放在被修饰的形容词之后。be+形容词+enough to do sth是一个常用结构,表示“足够……去做某事”。主语是He,be动词用is。故填is hard-working enough to。 40.这个学生足够仔细,避免了这些错误。 The student is . 【答案】careful enough to avoid these mistakes 【详解】根据中英文对照可知,空处缺少“足够仔细,避免了这些错误”,careful enough“足够仔细”,enough修饰形容词需后置。avoid“避免”,these mistakes“这些错误”,动词不定式作结果状语。故填careful enough to avoid these mistakes。 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 $$ Unit 5 Save the endangered animals 含有形容词的句型 (时间:40分钟,满分:100分) It is + adj. + for + n./pron. + to + v. 1. It is important for us to protect them. 2. It is good for people to save endangered animals. (1)在句型“Itis+adj.+for+n./pron.+to+v.”中,it是形式主语,动词不定式是真正的主语。 (2)此句型中的形容词表示句中动作的特征,如可能性、必要性、重要性、紧迫性、频繁程度以及价值判断等。常用于这一句型的形容词有:common, easy, right, good, (un)important, (un)necessary,(im)possible,(un)usual等。 adj. +enough+to+v. 1. They are strong enough to protect themselves. 2. The baby panda is not old enough to eat bamboo. = The baby panda is too young to eat bamboo. (1)在“adj.+enough+to+v.”结构中,enough为副词,修饰形容词时放在其后,表示主语所指的对象有足够的能力去做某件事,该句型意为“足够······来······;太······以至于 . . . . . (2)此结构的否形式为“not+adj.+enough+to+v.”,意为“不够....来··. . . ·”;可与“too+adj. +to+v. ”表达相似的句意。 It is + adj. + of + n. / pron.+to+v. 1. It is cruel of them to kill pandas. 2. It is kind of the boy to try to save the dog. (1)在句型“It is+adj.+of+ n./ pron.+to+v.”中,it是形式主语,动词不定式是真正的主语。 (2)此句型中的形容词表示句中的人或事物的特征。常用于此句型的形容词有:careless,clever,good,kind,nice,polite,silly等。 一、单项选择(本大题共30小题,每小题2分,共60分) 1.Jack is ________ to answer the question correctly. A.too clever B.so clever C.enough clever D.clever enough 2.Is ________ possible to fly to the Moon in a spaceship? A.this B.that C.it D./ 3.It is impossible ________ me ________ all the new words in such a short time. A.of; to remember B.of; remember C.for; remember D.for; to remember 4.It’s time for us ________ hiking. Let’s ________ to the forest. A.to go; go B.to go; to go C.go; go D.going; go 5.It’s nice ________ you ________ me with my English. A.for; to help B.of; helping C.of; to help 6.—It’s important ________ us to do exercises every day. —Yes, it can keep us healthy. A.about B.with C.for D.of 7.—It was careless ________ Daniel to leave the lights on again. —Yes. Let’s turn them off. A.of B.for C.to D.by 8.It is kind ________ the young man ________ blood to people in need. A.for; to donate B.of; donating C.of; to donate D.for; donating 9. ________ is not right to smoke in public places. A.It B.This C.That D.There 10.It is not easy ________ us ________ others all the time because we all have different personalities. A.for; to understand B.of; to understand C.for; understanding D.of; understanding 11.It’s not polite ________ loudly when you are in public. A.to speak B.speak C.speaking 12.It’s very nice _______ pictures for me. A.of you to draw B.for you to draw C.for you drawing 13.________ easy ________ English every morning. A.That’s; keep reading B.It’s; keep reading C.That’s; to keep reading D.It’s; to keep reading 14. ________ is necessary for everybody ________ the importance of keeping healthy. A.It; to know B.It; knows C.This; to know D.That; to know 15.It’s fun ________ outside in spring. A.play B.plays C.to playing D.to play 16.—Mum, it’s so far from our home to the zoo! —Is it ________ to take a taxi? A.popular B.necessary C.possible D.hard 17.It’s important for him ________ the piano well. A.play B.to play C.playing D.plays 18.Is ________ necessary to be so strict with your son? He’s only 4 years old. A.one B.this C.that D.it 19.It’s impolite_________ others’ rooms without knocking on the door. A.entered B.enter C.entering D.to enter 20.It’s very helpful ________ books. A.read B.to read C.reading D.read 21.It’s clever _______ her _______ the math problem. A.of; to solve B.for; to solve C.of; solving D.for; solving 22.He is ________ to show me the way to the library. A.enough kind B.kind enough C.kindly enough D.enough kindly 23.I think he is __________ apples with us. Let him have a try. A.old enough picking B.enough old to pick C.old enough to pick D.enough old picking 24.The room upstairs is __________ three desks. You three can work there. A.very big to hold B.big enough to hold C.enough big to hold D.too big to hold 25.As an adult, he must work ________ to earn ________ to support his family. A.hardly enough; enough money B.enough hard; enough money C.hard enough; money enough D.hard enough; enough money 26.Sandy is ________ to notice small changes around her. A.careful enough B.too careful C.carefully enough D.too carefully 27.I find this book ________ for a six-year-old child to read. A.enough easy B.easy enough C.easily enough 28.—Zhang Tao jumped _________ to win the first place in the high jump. —Yes, he is a great boy. A.high enough B.highly enough C.enough high 29.Tom was not ________ to make many mistakes in the exam. A.careful enough B.careless enough C.enough careful D.enough careless 30.Jane is always ________ to share her things with us. That’s why she is popular. A.too generous B.enough generous C.generous enough 二、完成句子(本大题共10小题,每小题4分,共40分) 31.对学生来说,不需要现在就做家务。 for students to do chores now. 32.对很多老师来说,一对一的开展他们的工作是困难的。 It is hard . 33.她帮助有需要的人,真是心地善良。 kind her to help others . 34.要想出一个完美解决这个问题的方法真的很难。 to think of a perfect idea to solve the problem. 35.他独自完成这个漫画创作,真了不起! It’s great him to draw this cartoon . 36.训练你的小狗是很有意思的。 interesting your little dog. 37.为残疾人提供帮助是有意义的。 It’s help for the disabled. 38.孩子们很有礼貌,他们能排队等待轮到他们。 The children are queue . 39.他足够勤奋,考试能得满分。 He get full marks in exams. 40.这个学生足够仔细,避免了这些错误。 The student is . 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 $$

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Unit 5 Save the endangered animals 单元语法练习-2024-2025学年八年级英语下册单元语法精讲精练(沪教牛津版)
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Unit 5 Save the endangered animals 单元语法练习-2024-2025学年八年级英语下册单元语法精讲精练(沪教牛津版)
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