6.(　 ) We flew _____ mountains and seas when we took a plane to the USA last month.

　　　 A. across　　 B. along　 C. above　　 D. over

5.(　 ) Would you like_______?

　　　 A. something delicious　 B. delicious something

C. anything nice　　 　　D. delicious something

4.(　 ) We are ______ to see a 4-year-old girl playing the violin so wonderfully.

　　　 A. sad　　 B. afraid　　 C. frightened　　 D. surprised

3.(　 ) Excuse me, could you tell me________?

　　　 A. how can I get there　　　　　　 B. how I can get there

　　　 C. the way to there　　　　　　　 D. where is the post office

2.(　 ) My father stopped_____ after he finished writing the report.

　　　 　A. smoking　 B. to smoke　　 C. smoked　　 D. from smoking

1.(　 ) You can call me if you_____ free tomorrow.

　　　 A. will be　　 B. are　　 C. is　　 D. is going to be

Plants are everywhere. You can find them ___29___ all over the world. This is a good thing for us, because if we didn’t have plants, we would not survive(生存). There would be ___30___ life on earth as we know it. ___31___ are plants so important? There are many reasons, but one of their most important jobs is to ___32___ food. Plants provide food for animals and people.

　　　 But not all plants provide food. Some of them are dangerous to eat. These plants have developed ___33___ ways to stop animals or people eating them. One of these ways is to make poison(毒汁)which often ___34___ terrible and keeps the animals away.

Another way to keep animals away is to grow spikes(尖刺). The spikes are like sharp needles(锋利的钢针), and ___35___ any animals that comes near. Some plants have stings(刺毛). When you touch them, your skin turns ___36___ or gets hot. Animals soon ___37___ not to go near these kinds of plants. But some plants are even better at stopping animals. Usually the animals eat the plants, ___38___ these plants catch the animals and eat them!

29.(　　 ) A. live　　　　　　　　　　 B. lying　　　　　　　　 C. growing　　　　　　 D. planting

30.(　　 ) A. most　　　　　　　　　 B. almost　　　　　　　 C. only　　　　　　　　　 D. no

31.(　　 ) A. What　　　　　　　　　 B. Why　　　　　　　　 C. How　　　　　　　　 D. Where

32.(　　 ) A. give　　　　　　　　　　 B. keep　　　　　　　　　 C. eat　　　　　　　　　　 D. produce

33.(　　 ) A. usual　　　　　　　　　 B. safe　　　　　　　　　 C. eat　　　　　　　　　　 D. important

34.(　　 ) A. seems　　　　　　　　 B. sounds　　　　　　　　C. smells　　　　　　　D. tastes

35.(　　 ) A. kill　　　　　　　 　　B. hurt　　　　　　　　　 C. cut　　　　　　　　　 D. protect

36.(　　 ) A. hot　　　　　　　　　　　　B. hard　　　　　　　　　 C. soft　　　　　　　　　 D. red

37.(　　 ) A. know　　　　　　　　　 B. discover　　　　　　 C. learn　　　　　　　　 D. become

38.(　　 ) A. then　　　　　　　　　　 B. and　　　　　　　　　 C. though　　　　　　　　D. but

28. What do they decide _______(do).

27. You’ve _______(do)that.