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17．-What are those？_____ are their books．（　　）

A．

Those

B．

They're

C．

They

分析 --那些是什么？
--它们是他们的书．

解答答案：C．考查指示代词．句意"--那些是什么？--它们是他们的书．"．A那些．B它们是．C它们．问句中的those那些，回答时用they它们，代替，因此A不正确．原句中已经有be动词are了，因此B不正确．答案是C．

点评指示代词既可以指人，也可以指物，要根据具体的语境进行分析．还要熟记每个代词的用法．结合语境，完成试题．

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科目：初中英语 来源： 题型：阅读理解

7．The Australian government researchers did research on the eyesight and habits of 100seven-year-old children in Singapore and Australia．The research shows that sunlight is good for people's eyes．If you spend two or three hours playing outdoors each day，it is not easy for you to become short-sighted．
    Both groups spent a similar amount of time reading，watching TV and playing computer games．However，the Australian children spent an average（平均）of two hours a day outdoors-90minutes more than the Singaporean children．As a result 30% of the Singaporean children were short-sighted-this rate（比率）was ten times higher than Australian children．
    Dr．Ian Morgan said，"Humans are naturally long-sighted，but when people begin to go to school and spend little or no time outdoors，the number of short-sighted people gets larger．We're also seeing more and more short-sighted children in cities all around the world-and the main reason may be that city children spend less time outdoors．"
    Daylight can be hundreds of times brighter than indoor light．But why does playing outside stop us from becoming short-sighted？Scientists believe that natural light has a special chemical（化学物质）．It can stops the eyeball from growing out of shape and stop people becoming short-sighted．
    So be outdoors．It doesn't matter if that time is spent having a picnic or playing sports．
66．The researchers did research onB of the children in two countries．
A．habits and foodB．eyesight and habits C．eyesight and food D．eyesight and studies
67．The Australian government researchers think thatD is good for people's eyes．
A．food B．studies C．indoor light D．sunlight
68．According to the second paragraph，the Singapore children spend an average ofA outdoors a day．
A．30minutes B．90minutes C．1hour D．2hours
69．What is the fourth paragraph mainly about？C
A．Why people become short-sighted．
B．Why natural light has a special chemical．
C．Why playing outside is good for one's eyesight．
D．Why sunlight is much brighter than indoor light．
70．From the passage，we learn thatB．
A．children in Australia are more likely to become short-sighted than those in Singapore．
B．children in the city are more likely to become short-sighted than those in the countryside．
C．people won't become short-sighted if they stay indoors every day．
D．people will all become short-sighted after they begin to go to school．

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科目：初中英语 来源： 题型：阅读理解

8．阅读下面短文，根据短文内容完成表格中所缺信息，每空一词．
We all need a healthy environment，but we produce waste every day and it does harm to our environment．Though we are young，we can still do something to help．In fact，even the simplest everyday activities can make a real difference to the environment．Here are some ideas for you to live a green life．
Remember these three words：reduce，reuse and recycle．
Reduce means"use less"．Don't waste things．This saves money and reduces pollution and waste going into the environment．Before we buy something new，think if it is really necessary or maybe the old one will be just as good!When we do buy things，choose local products if possible，and try not to buy too many things from abroad．
Reuse means"use again"．Use things for as long as possible．When we buy things，make sure that they last a long time．We should take care of them so that they will last，and we should repair them if we can instead of throwing them away and buying new ones．Don't use a paper cup or a paper bag．It's better to use a china cup and a lunch box because you can use them again．
Recycle means"change things into something else"．Although it takes energy to change something into something else，it's better than throwing things away or burning them．Find out what can be recycled in your neighborhood and take part in recycling programs．We should also buy products made from recycled materials，such as recycled paper，to help save trees．
Title：How to Live a Green Life

We produce waste every day and it is （66）harmful to us．We can do something to help．
Ideas	Dos	Don'ts
To （67）reduce	Use less *Try to save something．	*Don't buy too many things from foreign countries．
To reuse	Use （68）again Use things for as long as possible． Buy things that last long． *Take care of things or （69）repair the old things．	*Don't use paper cups or bags．
To recycle	Change things into something else Join in recycling programs． Buy （70）products made from recycled materials．	*Don't throw things away or burn them．