_英語單選集考試卷模擬考試題_1119

1、姓名：_ 班級(jí)：_ 學(xué)號(hào)：_-密-封 -線- _英語單選集考試卷模擬考試題考試時(shí)間：120分鐘 考試總分：100分題號(hào)一二三四五總分分?jǐn)?shù)遵守考場(chǎng)紀(jì)律，維護(hù)知識(shí)尊嚴(yán)，杜絕違紀(jì)行為，確?？荚嚱Y(jié)果公正。1、every year gray whales migrate from the bering sea in alaska to the baja peninsula in mexico.eleven gray whales have died in the san francisco bay in the last three weeks. no one knows why the whales

2、are dying.last year 270 whales died along the whales migration route. many people think starvation is the cause. this year the dead whales seem to have more blubber (fat) on them.twenty years ago, the gray whale was listed as an endangered species.some scientists think that the larger number of whal

3、es makes it hard to find enough food. more whales create more pressure on the food supply, a supply that some scientists say may have dwindled as a result of the warm waters of el nino.most of the whales have been dead for many days before they are found and studied. this makes it hard to find the r

4、eason for death.65 whales have been seen in the san francisco bay area this year compared to 17 last year. the whales could be dying from many diseases, but it may be over-population.which of the following is not a possible reason for whales dying （ ）a.pneumonia.b.brain infection.c.over-population.d

5、.over-eatin2、every year gray whales migrate from the bering sea in alaska to the baja peninsula in mexico.eleven gray whales have died in the san francisco bay in the last three weeks. no one knows why the whales are dying.last year 270 whales died along the whales migration route. many people think

6、 starvation is the cause. this year the dead whales seem to have more blubber (fat) on them.twenty years ago, the gray whale was listed as an endangered species.some scientists think that the larger number of whales makes it hard to find enough food. more whales create more pressure on the food supp

7、ly, a supply that some scientists say may have dwindled as a result of the warm waters of el nino.most of the whales have been dead for many days before they are found and studied. this makes it hard to find the reason for death.65 whales have been seen in the san francisco bay area this year compar

8、ed to 17 last year. the whales could be dying from many diseases, but it may be over-population.why might the increasing number of whales cause problems with their health （ ）a.theres not enough room for them in alaska.b.there may not be enough food for them in alaska.c.they get pushed ashore.d.there

9、 are more whales to spread diseas3、every year gray whales migrate from the bering sea in alaska to the baja peninsula in mexico.eleven gray whales have died in the san francisco bay in the last three weeks. no one knows why the whales are dying.last year 270 whales died along the whales migration ro

10、ute. many people think starvation is the cause. this year the dead whales seem to have more blubber (fat) on them.twenty years ago, the gray whale was listed as an endangered species.some scientists think that the larger number of whales makes it hard to find enough food. more whales create more pre

11、ssure on the food supply, a supply that some scientists say may have dwindled as a result of the warm waters of el nino.most of the whales have been dead for many days before they are found and studied. this makes it hard to find the reason for death.65 whales have been seen in the san francisco bay

12、 area this year compared to 17 last year. the whales could be dying from many diseases, but it may be over-population.one reason it is difficult to know why the whales are dying is that_。 （ ）a.the whales travel such a long distanceb.there are more whales than there used to bec.the whale bodies are t

13、oo old to study by the time they are foundd.the whales are endangered4、every year gray whales migrate from the bering sea in alaska to the baja peninsula in mexico.eleven gray whales have died in the san francisco bay in the last three weeks. no one knows why the whales are dying.last year 270 whale

14、s died along the whales migration route. many people think starvation is the cause. this year the dead whales seem to have more blubber (fat) on them.twenty years ago, the gray whale was listed as an endangered species.some scientists think that the larger number of whales makes it hard to find enou

15、gh food. more whales create more pressure on the food supply, a supply that some scientists say may have dwindled as a result of the warm waters of el nino.most of the whales have been dead for many days before they are found and studied. this makes it hard to find the reason for death.65 whales have been seen in the san francisco bay area this year compared to 17 last year. the whales could be d