内容正文:
Unit 7 Protect the earth
专题01 基础知识·易错题专项训练
语音、词汇、短语
基础知识
高频易错点、易错点提示、小练笔、答题点拨
易错精讲
高频易错点01
字母组合“oo”的发音(P73)
Every day I go to school. 我每天去上学。
I think it's really cool! 我觉得这真的很酷!
We have fun in the classroom 我们在教室里很开心
Every morning and afternoon! 每个上午和下午!
字母组合“oo”在这里发音/u:/,如
cool /ku:l/ food /fu:d/ room /ru:m/
school /sku:l/ zoo /zu:/
易错点提示
字母组合“oo”还可以发音/u/,如
good /gud/ cook /kuk/ foot /fut/ wood /wud/
小练笔
选出与所给单词画线部分读音不同的一项。
( )1.A.wood B.foolish C.food
( )2.A.wood B.cook C.too
( )3.A.book B.school C.look
( )4.A.took B.tooth C.foolish
( )5.A.cook B.cool C.foot
1. 答案:A,选项B、C中“oo”发/uː/,A选项中“oo”发/ʊ/。
2. 答案:C,选项A、B中“oo”发/ʊ/,C选项中“oo”发/uː/。
3. 答案:B,选项A、C中“oo”发/ʊ/,B选项中“oo”发/uː/。
4. 答案:A,选项B、C中“oo”发/uː/,A选项中“oo”发/ʊ/。
5. 答案:B,选项A、C中“oo”发/ʊ/,B选项中“oo”发/uː/。
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高频易错点02
Save water.(P68)
save v.节约;节省 反义词:waste
save energy节约能源 save time节约时间
We should save water and electricity in our daily life.
我们在日常生活中应该节约用水用电。
易错点提示
save v. 救助;挽救;拯救
The doctors are trying their best to save the patient.
医生们正在竭尽全力抢救病人。
save v.储蓄;积攒
I'm saving money to buy a new bike.
我正在攒钱买一辆新自行车。
save v.保存;储存”
Remember to save your work before you close the program.
关闭程序前记得保存你的工作成果。
小练笔
单项选择
( )1. We should always turn off the tap(水龙头) after washing hands. It's a good way to ______ water.
A. waste B. save C. use
( )2. If we want to ______ energy, we can take the bus or ride a bike instead of driving.
A. waste B. use C. save
( )3. My parents are ______ money so that they can buy a new car next year.
A. wasting B. saving C. making
( )4. Don't ______ food. Many people in the world are still hungry.
A. waste B. save C. cook
( )5. We should ______ time and finish our homework quickly.
A. waste B. use C. save
1. 答案:B,洗手后关水龙头是“节约”水的好方法,“save”有“节约”之意,“waste”是“浪费”,“use”是“使用”,所以选B。
2. 答案:C,坐公交或骑车代替开车是为了“节约”能源,“save”表示“节约”,“waste”是“浪费”,“use”是“使用”,所以选C。
3. 答案:B,为了明年买新车,父母在“储蓄”钱,“saving”是“save(储蓄)”的现在分词形式,“wasting”是“浪费”,“making”是“制作;挣”,所以选B。
4. 答案:A,世界上很多人还饿肚子,所以不要“浪费”食物,“waste”是“浪费”,“save”是“节约;拯救”,“cook”是“烹饪”,所以选A。
5. 答案:C,要快速完成作业,应该“节约”时间,“save”有“节约”的意思,“waste”是“浪费”,“use”是“使用”,所以选C。
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高频易错点03
Water is useful. We drink water and use water to clean things every day. (P68)
use v.使用,用 reuse v.再利用 useful adj.有用的
use sth. to do sth. = do sth. with sth. 用…… 做
We use water to wash hands. =We wash hands with water.
我们用水洗手。
易错点提示
use 和 with 都有用的意思,use 是动词,with 是介词,用法不同
“和” I played football with my brother last Sunday.
“长着” The boy with a big nose is my brother.with的用法
“拥有” I have a new house with a big garden.
“用” Make a sentence with “egg”.
注:句中有谓语动词时,选介词 “with” 表示用,句中无谓语动词时,选动词 “use”。
小练笔
单项选择。
( )1. We can ______ old plastic bottles to make handicrafts.
A. use B. reuse C. useful
( )2. A dictionary is very ______ when we learn English.
A. use B. reuse C. useful
( )3. I often ______ a knife to cut apples.
A. use B. with C. reuse
( )4. The boy ______ short hair is my classmate.
A. use B. with C. in
( )5.People ______ wood to make tables and chairs.
A. use B. with C. useful
1. 答案:B,“reuse”表示“再利用”,符合用旧塑料瓶做手工艺品(即再利用旧塑料瓶)的语境,“use”是“使用”,“useful”是形容词“有用的”,所以选B。
2. 答案:C,“useful”是形容词“有用的”,“be useful”表示“有用的”,符合字典对学英语有用的意思,“use”是动词“使用”,“reuse”是动词“再利用”,所以选C。
3. 答案:A,“use sth. to do sth.”是“用某物做某事”,此处需要动词“use”,“with”是介词,“reuse”是“再利用”,不符合用刀削苹果的常规表达,所以选A。
4. 答案:B,“with”表示“带有;长着”,“the boy with short hair”表示“长着短发的男孩”,“use”是动词“使用”,“in”表示“在……里”,所以选B。
5. 答案:A,“use sth. to do sth.”表示“用某物做某事”,此处需要动词“use”,“with”是介词,“useful”是形容词“有用的”,所以选A。
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高频易错点04
Most of our energy comes from coal and oil.(P68)
“most of” 意思是“大多数”,后面接可数名词或不可数名词。
come from = be from 来自
Mike is from Canada. = Mike comes from Canada.
Mike来自加拿大。
易错点提示
“most of +名词”作主语时,be动词或谓语动词的形式由介词 of 后面的名词来决定。如:
Most of our energy comes from coal and oil. 大多数的能源来自煤和石油。
Most of the trees are tall here. 这儿大多数树木是高的。
Most of the juice looks nice. 大部分果汁看起来不错。
小练笔
单项选择。
( )1. Most of the students ______ hard-working.
A. is B. are C. am
( )2. Most of the milk ______ gone bad.
A. have B. has C. is
( )3. —Where ______ most of your books from?
—They ______ from the library.
A. are; are B. come; come C. are; come
( )4. Most of the time ______ spent on studying.
A. is B. are C. be
1. 答案:B,“most of + 可数名词复数(students)”作主语,谓语动词用复数形式,“are”符合,所以选B。
2. 答案:B,“milk”是不可数名词,“most of + 不可数名词”作主语,谓语动词用单数形式,“has gone bad”是现在完成时,所以选B。
3. 答案:A,“be from”表示“来自”,第一空“most of your books”是复数,用“are”;第二空“they”指代“books”,也用“are”,所以选A。
4. 答案:A,“time”是不可数名词,“most of + 不可数名词”作主语,谓语动词用单数形式,“is”符合,所以选A。
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高频易错点05
We should not cut down too many trees because trees help keep the air clean.(P69)
too many 太多,后面接“可数名词复数”
There are too many toys in the room.
房间里的玩具太多了。
易错点提示
too many, too much 和 much too的区分
too many + 可数名词复数 太多
Don't use too many plastic bags. 不要使用太多的塑料袋。
too much + 不可数名词 太多
Don't use too much plastic. 不要使用太多塑料。
much too +形容词,表示“太...”
He is much too fat, he can't eat too much meat. 他太胖了,他不能吃太多肉。
小练笔
单项选择
( )1. There are ______ cars on the road.
A. too many B. too much C. much too
( )2. I have ______ homework to do today.
A. too many B. too much C. much too
( )3. The movie is ______ boring. I don't like it.
A. too many B. too much C. much too
( )4. We shouldn't cut down ______ trees.
A. too many B. too much C. much too
( )5. There is ______ water in the bottle.
A. too many B. too much C. much too
1. 答案:A,“cars”是可数名词复数,“too many”修饰可数名词复数,所以选A。
2. 答案:B,“homework”是不可数名词,“too much”修饰不可数名词,所以选B。
3. 答案:C,“boring”是形容词,“much too”修饰形容词,所以选C。
4. 答案:A,“trees”是可数名词复数,“too many”修饰可数名词复数,所以选A。
5. 答案:B,“water”是不可数名词,“too much”修饰不可数名词,所以选B。
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高频易错点06
Earth Day is on 22nd April.
World Environment Day is on 5th June.(P73)
时间介词on的用法:
(1)具体日期。on May 1st(在五月一日)
(2)星期几。on Monday(在星期一 )
(3)具体某天的早、中、晚
on the morning of March 8th(在3月8日的早上 ),
on a cold evening(在一个寒冷的晚上,这里虽没有具体日期,但强调了“某一个”寒冷的晚上 )。
(4)一些具体到某一天的节日,前面用on。
on National Day 在国庆节
在中国,国庆节是10月1日,所以用on National Day表示在国庆节
(5)用于带有day的特定纪念日等
on Earth Day(在地球日 )
on World Environment Day(在世界环境日 )
易错点提示
时间介词in和at在英语中用法
in的用法
(1)用于月份、季节、年份:
in January在一月,in spring在春天 ,in 2025在2025年
(2)用于上午、下午、晚上
in the morning在早上,in the afternoon在下午,in the evening在晚上
(3)常用于一般将来时的句子中,谓语动词常为瞬间性动词。
He will come back in two weeks. 他将在两周后回来。
at的用法
(1)表示具体的时刻:
at 6:30在六点半,at noon在中午,指中午12点左右
at night在夜晚,通常指天黑之后到午夜之前
at midnight在午夜,即夜里12点
(2)用于某些固定搭配:
at weekends:在周末(英式英语常用,美式英语常用on weekends )。
at the age of:表示“在……岁时” ,“at the age of ten”(在十岁时 )。
at Christmas:在圣诞节期间(强调圣诞节那一段时间 ) 。
小练笔
用时间介词 in、on 或 at 填空
1. We have a PE class ______ Friday afternoon.
2. My birthday is ______ May.
3. He gets up ______ 6:30 every morning.
4. We will go to the park ______ the morning of May 1st.
5. Earth Day is ______ 22nd April.
6. We usually have dinner ______ 7:00 p.m.
7. There are many flowers in the garden ______ spring.
8. They often watch TV ______ night.
9. National Day is ______ October 1st.
10. We have a party ______ New Year's Day.
1. 答案:on,“Friday afternoon”是具体某天的下午,用“on”。
2. 答案:in,“May”是月份,用“in”。
3. 答案:at,“6:30”是具体时刻,用“at”。
4. 答案:on,“the morning of May 1st”是具体某天的早上,用“on”。
5. 答案:on,“22nd April”是具体日期,用“on”。
6. 答案:at,“7:00 p.m.”是具体时刻,用“at”。
7. 答案:in,“spring”是季节,用“in”。
8. 答案:at,“at night”是固定搭配,意为“在夜晚”。
9. 答案:on,“October 1st”是具体日期,用“on”。
10. 答案:on,“New Year's Day”是具体节日(某一天),用“on”。
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综合训练
一、选出发音不同的一项(每题2分,共10分)
( ) 1. A. food B. good C. room
( ) 2. A. cook B. cool C. foot
( ) 3. A. school B. wood C. zoo
( ) 4. A. tooth B. took C. foolish
( ) 5. A. foot B. food C. fool
二、英汉互译(短语)(每题2分,共20分)
1. 节约用水 ________ 2. 节约能源 ________
3. 再利用塑料瓶 ________ 4. 太多树 ________
5. 在地球日 ________ 6. save time ________
7. use water to clean things ________ 8. most of the energy ________
9. much too expensive ________ 10. on 22nd April ________
三、单项选择题(每题2分,共20分)
( ) 1. We should ______ electricity by turning off lights when leaving rooms.
A. waste B. save C. use
( ) 2. The girl ______ big eyes often helps her classmates.
A. with B. use C. in
( ) 3. There is ______ milk in the fridge. We don't need to buy more.
A. too many B. too much C. much too
( ) 4. Most of the ______ in this school are from small towns.
A. student B. students C. a student
( ) 5. We can ______ old clothes to make bags.
A. reuse B. useful C. use
( ) 6. World Environment Day is ______ 5th June.
A. in B. on C. at
( ) 7. My mother is ______ money to buy a new phone.
A. saving B. wasting C. making
( ) 8. Don't use ______ plastic bags. They're bad for the earth.
A. too much B. much too C. too many
( ) 9. ______ the help of my teacher, I finish my homework quickly.
A. With B. Use C. In
( ) 10. He gets up ______ 7:00 a.m. every Saturday.
A. in B. at C. on
四、用括号内单词的正确形式填空(每题2分,共16分)
1. This book is very ______ (use) for learning English.
2. We ______ (should) waste food. Many people are hungry.
3. My father often ______ (use) a computer to work.
4. Most of the water ______ (come) from the river.
5. Remember ______ (save) your file before closing the computer.
6. They ______ (reuse) old boxes to make toys now.
7. The boy with short hair ______ (be) my best friend.
8. It's too late. You should ______ (go) to bed now.
五、句型转换(每题3分,共15分)
1. We should save water.(改为否定句)
We ______ ______ water.
2. Most of the students come from China.(对划线部分提问)
______ ______ most of the students ______ from?
3. He uses a pen to write a letter.(改为同义句)
He writes a letter ______ a pen.
4. There are too many cars on the road.(改为一般疑问句)
______ ______ too many cars on the road?
5. Earth Day is on 22nd April.(对划线部分提问)
______ ______ Earth Day?
六、阅读以下内容判断正误,正确的用 “T” 表示,错误的用 “F” 表示。(每题2分,共10分)
Look at this blue Earth. This is our home. There are plains, mountains, rivers, lakes and oceans on our Earth. There are all kinds of trees, flowers and grass on our Earth. There are all kinds of wild animals living together with us. Don't you want to keep our Earth beautiful? But sometimes we do bad things to it. We waste too much water. We cut down too many trees. We hunt too many wild animals for our food or clothes … We shouldn't do these things. We should save our Earth, because we have only one Earth.
( )1. There are only people living on the Earth.
( )2. Sometimes we do bad things to our Earth.
( )3. We hunt too many wild animals.
( )4. We shouldn't waste too much water.
( )5. We have only one Earth.
参考答案
一、选出发音不同的一项
答案:BBBBA
1. 答案:B
解析:A选项“food”和C选项“room”中“oo”发/uː/,B选项“good”中“oo”发/ʊ/ 。
2. 答案:B
解析:A选项“cook”和C选项“foot”中“oo”发/ʊ/,B选项“cool”中“oo”发/uː/。
3. 答案:B
解析:A选项“school”和C选项“zoo”中“oo”发/uː/,B选项“wood”中“oo”发/ʊ/。
4. 答案:B
解析:A选项“tooth”和C选项“foolish”中“oo”发/uː/,B选项“took”中“oo”发/ʊ/。
5. 答案:A
解析:B选项“food”和C选项“fool”中“oo”发/uː/,A选项“foot”中“oo”发/ʊ/。
二、英汉互译(短语)
1. 答案:save water
解析:“save”有“节约”之意,“water”是“水” ,“节约用水”即“save water”。
2. 答案:save energy
解析:“save”为“节约”,“energy”表示“能源”,所以“节约能源”是“save energy”。
3. 答案:reuse plastic bottles
解析:“reuse”意思是“再利用”,“plastic bottles”是“塑料瓶” ,合起来就是“reuse plastic bottles”。
4. 答案:too many trees
解析:“too many”用于修饰可数名词复数,“trees”是“tree(树)”的复数形式,“太多树”即“too many trees”。
5. 答案:on Earth Day
解析:在具体的某个节日前用介词“on”,“Earth Day”是“地球日” ,所以是“on Earth Day”。
6. 答案:节约时间
解析:“save”是“节约” ,“time”是“时间”,“save time”就是“节约时间”。
7. 答案:用水清洁东西
解析:“use...to do sth.”表示“用……做某事”,“water”是“水”,“clean things”是“清洁东西”,所以“use water to clean things”就是“用水清洁东西”。
8. 答案:大部分能源
解析:“most of”意为“大多数”,“energy”是“能源”,“most of the energy”即“大部分能源”。
9. 答案:太贵
解析:“much too”用于修饰形容词,表示“太……” ,“expensive”是“昂贵的”,“much too expensive”就是“太贵”。
10. 答案:在4月22日
解析:在具体的日期前用介词“on”,“22nd April”表示“4月22日”,所以是“on 22nd April”。
三、单项选择题
答案:BABBA BACAB
1. 答案:B
解析:离开房间时关灯是为了节约用电,“save”有“节约”的意思 ,“waste”是“浪费”,“use”是“使用”,所以选B。
2. 答案:A
解析:“with”在这里表示“带有;长着”,“the girl with big eyes”表示“长着大眼睛的女孩” ,“use”是动词“使用”,“in”表示“在……里”,所以选A。
3. 答案:B
解析:“milk”是不可数名词,“too much”修饰不可数名词 ,“too many”修饰可数名词复数,“much too”修饰形容词,所以选B。
4. 答案:B
解析:“most of...”表示“大多数……”,其后接可数名词时要用复数形式,“student”的复数是“students” ,所以选B。
5. 答案:A
解析:用旧衣服做袋子是对旧衣服的再利用,“reuse”表示“再利用” ,“useful”是形容词“有用的”,“use”是“使用”,所以选A。
6. 答案:B
解析:在具体的日期(6月5日)前用介词“on” ,“in”用于月份、季节、年份等前,“at”用于具体时刻前,所以选B。
7. 答案:A
解析:为了买新手机而积攒钱,“save”有“储蓄;积攒”的意思 ,“waste”是“浪费”,“make”在这里“挣钱”的常用搭配是“make money”,但此处强调积攒过程,所以选A。
8. 答案:C
解析:“plastic bags”是可数名词复数,“too many”修饰可数名词复数 ,“too much”修饰不可数名词,“much too”修饰形容词,所以选C。
9. 答案:A
解析:“with the help of...”是固定短语,意为“在……的帮助下” ,“use”是动词“使用”,“in”表示“在……里”等含义,所以选A。
10. 答案:B
解析:在具体时刻(早上7点)前用介词“at” ,“in”用于上午、下午、晚上等,“on”用于具体某天或某天的早中晚等,所以选B。
四、用括号内单词的正确形式填空
1. 答案:useful
解析:“be useful for...”表示“对……有用”,“use”的形容词形式是“useful” ,所以填“useful”。
2. 答案:shouldn't
解析:因为很多人挨饿,所以我们不应该浪费食物,“should”的否定形式是“shouldn't” ,后接动词原形,所以填“shouldn't”。
3. 答案:uses
解析:句子是一般现在时,主语“My father”是第三人称单数,谓语动词“use”要用第三人称单数形式“uses” ,所以填“uses”。
4. 答案:comes
解析:“most of the water”作主语,“water”是不可数名词,谓语动词用第三人称单数形式,“come”的第三人称单数是“comes” ,所以填“comes”。
5. 答案:to save
解析:“remember to do sth.”表示“记得去做某事(还未做)” ,所以填“to save”。
6. 答案:are reusing
解析:由“now”可知,句子时态是现在进行时,其结构为“be动词+动词的现在分词” ,主语“They”是复数,be动词用“are”,“reuse”的现在分词是“reusing”,所以填“are reusing”。
7. 答案:is
解析:句子主语是“The boy”,是单数,be动词用“is” ,所以填“is”。
8. 答案:go
解析:“should”是情态动词,后接动词原形 ,所以填“go”。
五、句型转换
1. 答案:shouldn't save
解析:“should”的否定形式是“shouldn't” ,后接动词原形,所以“should save”的否定是“shouldn't save”。
2. 答案:Where do; come
解析:对地点(“China”)提问用疑问词“where” ,原句是一般现在时,主语“most of the students”是复数,变疑问句时要借助助动词“do”,动词“come”用原形,所以是“Where do; come”。
3. 答案:with
解析:“use sth. to do sth.”可以和“do sth. with sth.”互换 ,表示“用……做某事”,所以这里填“with”。
4. 答案:Are there
解析:“There be”句型的一般疑问句是把be动词提到句首 ,原句中be动词是“are”,所以是“Are there”。
5. 答案:When is
解析:对时间(“on 22nd April”)提问用疑问词“when” ,原句中有be动词“is”,变疑问句时把“is”提到“when”后面,所以是“When is”。
六、阅读以下内容判断正误
答案:FTTTT
1. 答案:F
解析:文中提到“There are all kinds of wild animals living together with us.”,说明地球上不只有人居住,还有各种野生动物,所以该句错误。
2. 答案:T
解析:文中明确说“But sometimes we do bad things to it.”,所以该句正确。
3. 答案:T
解析:文中提到“We hunt too many wild animals for our food or clothes”,所以该句正确。
4. 答案:T
解析:结合常识和文章主旨,我们不应该浪费太多水,且文中表达了节约用水的理念,所以该句正确。
5. 答案:T
解析:文中提到“We should save our Earth, because we have only one Earth.”,所以该句正确。
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