The factthat people are more and more relying on mobiles phones is a concern．题目和参考答案——青夏教育精英家教网—

题目内容

9．The factthat people are more and more relying on mobiles phones is a concern．

分析越来越多的人依赖手机这一事实是令人担心的一件事．

解答答案是that．本题考查语境中选用恰当的词．题干中the fact后面的从句是说明fact内容的同位语从句，从句从意思到成分都是完整的，所以选择不担任成分、无意义的that，故答案是that．

点评单词填空必须在对语境整体理解的基础上抓住指向答案的关键线索、固定句型或搭配等，同时注意所选词的形式变化．

练习册系列答案

9．An egg sinks to the bottom if you drop it into a glass of ordinary drinking water but what happens if you add salt？The results arc very interesting and can teach you some fun facts about density（密度）．
     What you'll need：
*One egg*Water*Salt*A tall drinking glass
     Instructions：
     Pour water into the glass until it is about half full．
      Mix in lots of salt （about 6 tablespoons）．
     Carefully pour in plain water until the glass-is nearly full （be careful not to mix the salt water with the plain water）．
     Gently lower the egg into the water and watch what happens．
     What's happening？
      Salt water is denser than ordinary tap water．The denser the liquid is，the easier it is for an object to float in it．When you lower the egg into the liquid it drops through the normal tap water until it reaches the salt water，at this point the water is dense enough for the egg to float．If you were careful when you added the tap water to the salt water，they will not have mixed，enabling the egg to amazingly float in the middle of the glass．

21．Which of the following is the CORRECT order？B
①Mix in lots of．salt．
②Gently lower the egg into the water．
③Carefully pour in plain water until the glass is nearly full．
④Pour water into the glass until it is about half full．
A．④②①③B．④①③②C．①④③②D．③④①②
22．What will happen if you drop an egg into a glass of water with about 6 tablespoons of salt？A
A．It will float in the water．
C．Nothing will happen．
B．It will sink to the bottom．
D．The result is not known．
23．Why can the egg float in the water according to the passage？C
A．Because ordinary tap water is denser than salt water．
B．Because ordinary tap water is as dense as salt water．
C．Because'the denser the liquid is，the easier it is for an object to float in it．
D．Because the more the liquid there is，the easier it is for an object to float in it．

6．There's a range of restaurants tosuit（适合）all tastes．

14．Volunteering abroad is a great way to help others，improve your skills and become a more confident，independent person．If you are interested in volunteering abroad，here are some places to go．
Australia
If you seek a life on the beach，in a great climate with friendly people，Australia might be your best bet．With thousands of volunteers already signing up to leave for Australia during the holidays，it will be a very popular option．
Brazil
This vast country has some great opportunities on offer and is especially popular this year．A lot of volunteer work is available in Brazil centers on conservation and ecological projects．With the world's largest rainforest in Brazil，of which huge part is in danger，there are lots of different jobs you can do．
Kenya
Kenya is the destination for those seeking an African experience．Generally volunteers in Kenya work in orphanages（孤儿院）or with local children living in slums（贫民窟）．There is a great demand for volunteers in Africa because many people live in poverty，so if you truly feel like making a difference to a community，Kenya should be at the top of your list．
Costa Rica
Golden sandy beaches，clear coastlines and beautiful cities are what Costa Rica is all about．Because of its small size，you can see a lot of the country in just a short time．You can make the most of your time as a volunteer．A lot of work is needed with wildlife and ecological work．So if you want to look after turtles on the beach，Costa Rica could be just the place for you．

29．If you are interested in protecting the environment，you will probably go toB．
A．Australia      B．Brazil       C．enya      D．Costa Rica
30.1t can be inferred from the passage that volunteers in Kenya mainly work withB．．
A．animals      B．children     C．the elderly     D．plants
31．If you choose to go to Costa Rica，you are supposed toC．．
A．take care of trees in the forests
B．surf with children in the water
C．work with animals on the beach
D．look after children who have lost their parents．

1．With the（61）development （develop） of industry，air pollution is getting more and more serious．In Shanghai，many people suffer from different（62）kinds（kind）of illnesses because of air pollution．
Air polluton is（63）mainly（main） caused by the following easons．One factor is that half of the problem is caused by vehicles．There are more and more cars and buses on the road，（64）whichgive off poisonous gases.35% of air pollution is caused by factories．（65）Anotherfactor is smoking．It is well-known to all（66）thatsmoking does harm to others'health as well as to that ofthe smokers．We should take some measures to fight against pollution．New fuel can be used to take（67）the place of gas．We can plant more trees，grass and flowers，（68）balancing（balance） the environment．All in all，if everybody realizes the（69）importance（important） of the environment protection and does something to stop pollution，the problem（70）can/will be solved（solve）．

18．Sharing a room with a family member or a friend can be tough，but it becomes especially difficult when you are sharing it with someone you hardly know．If you find yourself in a similar situation，do not worry．There are things you can do to help you deal with having a roommate，no matter who it may be．
First of all，you have to remember that you get what you give．If you are nice to others，then others will be nice to you as well．You also need to set personal space for yourself and for the other person．So before your new roommate moves in，talk to him．Set the rules early and discuss your hopes．
Remember that there are two things that make up any good relationship：belief and respect．The same thing applies to having a roommate．You have to respect each other．So he has that new PS3game that you've always wanted to try out？Ask permission first．If he says no，don't ask him for it again．If he lets you borrow his stuff，take care of the item and treat it as if it were your own．Make sure that you return it in the same condition as when you borrowed it．
To keep away from disagreement over who does the housework，clean as you go．For housework that can be shared，you may want to divide it equally so that you don't do all of it．Take turns in washing the dishes．You may do it every other day or you may divide the task so that you only have to do it in the morning and your roommate will only have to do it at night．
     When it comes to food and grocery items，determine what can be shared．Don't be too mean when it comes to sharing food．On the other hand，determine what you can share and what you can't and be clear about it．The advantages of sharing food is that both of you can save on time and food preparation．
25．What is the passage mainly about？D
A．Why you need a roommate．
B．How you drive a roommate you don't like．
C．What you do to find a roommate．
D．How you can get along with your roommate．
26．Good relationship among roommates lies in（在于）C．
A．money and gifts
B．attraction and good words
C．trust and respect
D．threats and orders
27．Which of the following is NOT true if you want to use your roommate's stuff？B
A．You must ask his or her permission first．
B．If your roommate doesn't lend you anything，try to take it．
C．If he or she lends the stuff to you，you must take care of it．
D．When you return the stuff you borrowed，it should be the same as before．
28．What can be inferred from the fourth paragraph？D
A．There are always quarrels between roommates．
B．Try to do all the housework by yourself．
C．Share everything with your roommates．
D．Try to do the housework by turns．

19．我7点钟之前无法离开办公室．
I won't be able toget away from the office before 7o'clock．

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