Many scientists say that the world is getting hotter and hotterIf they are right , the ice at the North and South Pole will melt eventuallyIf this happens, the sea will  1  and may cover most  2  all of SingaporeThis will force everybody to move to a  3  country

       We know that the sun  4  the earthThe heat from the sun hits the  5  , and some of goes back into the skyHowever, factories and cars  7  a lot of carbon dioxide(二氧化碳).When the gas rises into the sky, the heat from the sun can come  8  them but the heat from the ground cannotIt  9  near us in the sky and makes the  10  hotter and hotter every year

Scientists call this the “greenhouse effect” because a greenhouse is a small glass  11  which is hot insideIt is used for  12  plants in cool countriesMany countries are  13  about the greenhouse effectThey are trying to stop factories and cars from sending  14  gases into the skyScientists are not sure when the world will get much hotterSome people say that the greenhouse effect has  15  already and has begun to affect the world’s weather

1Arise                          Bfall                         Cchange                   Ddisappear

2Aand                          Bor                           Cbut                         Dtill

3Abetter                       Blarger                      Csafer                      Dfarther

4Ashines                   Bcircles                    Ccovers                    Dheats

5Aground                     Bsky                         Cmountain                Dforest

6Athem                        Bit                            Cthose                      Dsuch

7Amake                        Bspread                    Cproduce                  Dfrom

8Athrough                    Bover                       Cinto                        Dtoward

8Ahides                        Bcontinues                Cfollows                   Dstays

10Acloud                      Bair                          Cseason                    Dtemperature

11Abuilding                   Bflat                         Ctool                        Dmachine

12Aputting                    Bstoring                    Ccutting                    Dgrowing

13Aexcited                   Bdisappointed            Cworried                  Dpleased

14Adangerous               Bharmful                   Cheavy                     Duseful

15Ameant                     Bimproved                Cstarted                    Dstopped

Different people have different ideas about timePeople in the USA think that it is important to know the timeIn cities in America, there are clocks in stations , factories and other buildingsRadio tells the correct time during the dayMost Americans also have watches with them wherever they goThey want to do certain things at certain timeThey don’t like to be late

But time is not so important to everybody in the worldWhen you visit a country in South America, you will find that people there don’t like to rushIf you had an appointment with somebody, he could probably be late, because he may not want to arrive on time

In South America, even the radio program may not begin on timeThe men on the radio may not think it is important to tell the exact timePeople in South America think that clocks or watches are just machinesThey think that you let a clack or a watch control your life if you do everything on time

1Time is very important to _______    

       Apeople in North America                              Bpeople in South America

       Cthe men on the radio                                          Deverybody in the world

2The underlined word “control” probably means _______ in Chinese

       A.改变                      B.控制                       C.创造                      D.摆脱

3People in South America think __________

       Athey wouldn’t like to meet friends in public places

       Bthey don’t have to do certain things at certain time

       Cit’s wrong of a radio station to tell wrong time

       Dit’s their habit to be a little earlier

4What is the best title of the passage?

       AIs your life relaxing?

       BMost radio tell the exact time?

       CDifferent people have different ideas about time

       DDifferences between North and South America are everywhere

We know the mosquito very wellMosquitoes fly everywhereThey can be found almost all over the world , and there are more than 2,500 kinds of them

       No one likes the mosquitoBut the mosquito may decide that she loves you, she? Yes, sheIt’s true that male mosquito doesn’t bite and only the female mosquito bites because she needs blood to lay eggsShe is always looking for things or people she wants to biteIf she likes what she finds, she bitesBut if she doesn’t like your blood ,she will turn to someone else for more delicious bloodNext time a mosquito bites you, just remember you are chosenYou’re different from the others!

       If the mosquito likes you ,she lands on your body without letting you knowShe bites you so quickly and quietly that you may not feel anything differentAfter she bites, you will have an itch (痒)on your body because she puts something from her mouth together with your bloodBy the time the itching begins, she has flown away

       And then what happens? Well ,after her delicious dinner, the mosquito feels tiredShe just went to find a place to have a good restThere, on a leaf or a wall, she begins to lay eggs, hundreds of eggs

1In which part of a magazine can you probably read this article?

       AScience World         BNews Report           CSports Square         DCulture Comer

2When a mosquito decides that she doesn’t like your blood, she will ________

       Aland on your body                                       Bfeel very tired soon

       Cchoose another none instead                        Dfind a different kind of food

3The mosquito bites you _____

       Ain order to have a good rest                         Btoo quickly to let you know

       Conly if you’re female                                  Dwhen she gets angry with you

4Why do you have an itch after the mosquito bites you?

       ABecause she drinks too much

       BBecause she bites so quietly

       CBecause she lays eggs in your blood

       DBecause she puts something special into your blood

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