You must repair the computer now． The computer mustberepairednow．题目和参考答案——青夏教育精英家教网—

题目内容

7．You must repair the computer now．（改为被动语态）
The computer mustberepairednow．

分析 --你现在必须修理电脑．
--电脑现在必须修理．

解答答案：be repaired．考查被动语态．"你现在必须修理电脑．"，表达为"电脑现在必须修理．"．must情态动词，被动语态是be+动词的过去分词．repair的过去分词是repaired．答案是be repaired．

点评被动语态表示主语是动作的承受者，被动语态由"be动词+及物动词的过去分词"构成，be动词的单复数要与主语的单复数保持一致，还要注意时态及过去分词的变法．

练习册系列答案

18．老师建议他父母亲自和他谈谈．（ in person ）
The teacher advised his parents to talk to him in person．．

15．A Story of Keeping Fit I am Mrs．Black．I used to eat a lot and never did any exercise．I only went out when I had to do the shopping．Even when I went shopping，I took a car．One day I looked at myself in the mirror．"My God，"I thought，"I look so terrible．I am too fat!I must keep fit．"
The next day I tried to walk a little because I couldn't run．Two months later，I began to run slowly and eat more vegetables and fruits．At first，many people laughed at me，but my children encouraged me．They said，"We are going to have a new mom．"
About six months ago I sold my car and bought a bike．My husband often goes cycling with me on weekends and my children walk with me in the evening．Now，they've been much healthier than they used to be，too．
My family spend more time together now．Not only my children have a"new"mom，but we have a"new"family！Life has become so beautiful since I started keeping fit．

51．Mrs．Black lookA before keeping fit．
A．terrible
B．healthy
C．beautiful
D．thin
52．What did Mrs．Black's children do at first？B
A．They laughed at her．
B．They encouraged her．
C．They asked her to give up．
D．They didn't say anything．
53．In order to keep fit，Mrs．Black began to do exercise andD．
A．sleep more
B．drink more water
C．take some medicine
D．eat more fruits and vegetables
54．When did Mrs．Black start riding her bike？C
A．Two months ago．
B．Two years ago．
C．Six months ago．
D．Many years ago．
55．How does Mrs．Black think of keeping fit？C
A．It is useless．
B．It is very terrible．
C．It makes her life more beautiful．
D．It's too hard to keep on．

2．--I'm sorry I'm late．The traffic is bad．
-- ．Please come earlier next time．（　　）

12．At present，too much carbon dioxide（二氧化碳） makes the earth warmer and causes terrible effect to human beings．To save our planet，to save ourselves，a new lifestyle called low-carbon life（低碳生活） becomes popular．Low carbon means low energy and no waste．It is necessary for everybody to learn to live a low-carbon life．
To live a low-carbon life，we'd better save energy as much as possible．Turn off the lights and TV whenever they are not needed．If possible，use cold water to wash clothes or dishes．Take a short shower and try to take a cold one when the weather gets warm．Don't do the cooking with electricity．
To live a low-carbon life，we should eat less meat．Everybody knows eating too much meat makes people fat and easy to have heart disease，but maybe you don't know keeping animals for food produces even more carbon dioxide than all the cars in the world，and being a vegetarian can help reduce（减少） one and a half ton（吨） of carbon dioxide a year．Maybe it is a little difficult，but it's really necessary．
To live a low-carbon life，we are supposed to do less shopping．When we go shopping，we may drive a car or take other transportations．On the one hand，these machines pollute the air and waste energy．On the other hand，most of us always buy some useless things because of some advertisements．It is not only a waste of money but also causes trouble to the earth，because as you know，making everything will produce carbon dioxide more or less．
There are many other ways to live a low-carbon life，such as recycling things，planting trees and reusing textbooks．If we can keep it a habit in our daily life，the earth will become a safer planet for us to live on．
56．Cmakes the weather on the earth get warmer．
A．Litter rubbish
B．A waste of money
C．Too much carbon dioxide
57．We canAto save energy in our daily life．
A．use less electricity
B．go to sleep with lights on
C．wash clothes with hot water
58．The underline word"it"in the third paragraph meansA．
A．eating less meat
B．having heart disease
C．keeping animals for food
59．Less shopping should be done becauseC．
A．wasting money causes trouble to people
B．the advertisements are sometimes misleading
C．the less you shop，the less carbon dioxide will be produced
60．If everybody lives a low-carbon life，B．
A．we will waste more energy
B．there will be less carbon dioxide
C．the earth will become a dangerous place to live on．

19．

impossible； properly，reading，largest population，Europeans，Italian

43．Columbus was one of the firstEuropeansto discover America．
44．It isimpossible to finish the job in such a short time．We need two more days．
45．I hope my robot will be able to do the thingsproperlyaccording to my ideas．
46．This is such an interesting book that it is worthreading a second time．
47．Asia lies in the north-east of the world．It has thelargest populationin the world．

16．People usually check whether their keys，wallets and phones are with them before going out．But many people in China now have one more important thing to take，a face mask（口罩）．They hope that it can protect them from the polluted air．
2Since January，many cities in China have seen a lot of foggy days．During these days，people can only see things that are very near them．In Beijing，only five days in January were free of smog．what's the difference between fog and smog？
3According to scientist，fog is made up of tiny（微小的）drops of water and also ice particles（颗粒）during very cold conditions．Smog is dirty air that looks like a mixture of smoke and fog，caused mainly by smoke from cars and factories in cities．
4An offical for the minnistry of environmental protection told Beijing News that PM2.5pollution is the main problem with air pollution．Pm2.5refers to pollution with small particles 2.5mircrometers or less in diameter（直径）．
5According to the Chinese Academy of Sciences，motor vehicles and burning coal are two major factors for PM2.5．
6Poor air is bad for people's health，especially for Children's．Hospital shows that from January 5th to January 11th，half of the patients in the internal medicine department（内科门诊） are there for breathing problems．
7the problem and environmental protection have become a care for the whole nation．Li Keqiang made his last Government Work Report on March 6，2014．The report said that the government should work hard to prevent pollution and give people a healthy living environment．
It calls on people to make full use of energy and resources and cut down on energy use．"we should give people hope through our actions'Li said．
1，The underline phrase"were free of"meansB
A．Had done
B．had no
C．had many
D．had more and more
2，According to the third paragraph，we can know thatC
A．Fog is made of drops of water with smoke
B．smog is formed during cold hours
C．smog looks like a mixture of fog and smok
D．only smoke from cars causes fog
3，paragraph 4and5are mainly aboutC
A．what PM2.5is and how to protect ourselves against PM2.5
B．how to protect PM2.5pollution and how PM2.5looks
C．what PM2.5is and what cause PM2.5
D．how seriously PM2.5affects us how to deal with PM2.5
4，From Li Keqiang's report，we learn thatD
A．the environment has improved a lot since Li was in office
B．many people have breathing problem because of the air pollution
C．the air pollution is is caused by the government
D．the government will try its best ti solve the air pollution problem．

18．

The famous scientist and thinker，Charles Darwin，was born on February 12，1809．His family lived not far from the River Severn，England．Charles'father was a well-known doctor and the son of a still greater doctor and scientist．Charles'father hoped that his son would also become a doctor．
As a boy Charles liked to go for walks in the fields and forests．He watched nature and compared what he saw with everything he had read in science books．He also liked collecting very much．He collected many things：eggs，stones，and leaves．His father did not like this，as Charles was not studying very well at school．
At the age of sixteen，Darwin was sent into Edinburgh University to study in order to become a doctor．But he was interested in the history of nature．
Then he studied at Cambridge University until 1831．
Some time later，he heard that the ship Beagle was going on a trip to South America and wanted a scientist．His professor advised him to go．He said the trip would be just for Darwin．So when the ship left England in December 1831，Darwin was on it．The research lasted almost five years．The Beagle studied the waters in the sea near South America．It also visited New Zealand，Australia and islands in the Pacific．Darwin saw many new plants and animals．He collected all kinds of plants，which he sent home from the places he visited．
When he returned home，Darwin was warmly greeted by his families and many friends．
In 1842，Darwin went to live in Kent，where he continued his studies of the changes in nature．Darwin understood that plants and animals are not always the same，and that they really change．
By 1859，Darwin had finished his famous book The Origin of Species．It made a great hit in the world of science．He was opposed by the church and even by some scientists．But later，more and more scientists agreed with him．
Darwin continued his studies in science until he died in 1882．

105．根据短文内容完成句子填空（每空一词）
In the first paragraph we knowscientist andthinker Charles Darwin was born．
106．根据短文内容完成句子填空（每空一词）
From the second paragraph we know Charles Darwin enjoyed bothwalking in the fields and forests andwatching things．
107．请在文中找出下面句子的同义句，并抄写到横线上．
The church and even some scientists disagreed with him．He was opposed by the church and even by some scientists．
108．把短文中画底线的句子译为汉语他回到家时，达尔文受到了家人和朋友的热烈欢迎．
109．根据短文内容回答问题．
What's the main idea of the passage？Darwin kept studying in science all his life．．

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