28. His smile suggested that he had passed the exam.

A. relaxing B. relaxed C. relax D. relaxation

29. These birds are very rare and they are supposed to be protected by law.

A. however B. anyhow C. therefore D. though

30. We all sighed with relief when plane finally landed safely.

A. a; / B. /; the C. a; a D. a; the

31. ---Tony, why are your eyes red?

--- I up peppers for the last five minutes .

A. cut B. was cutting

C. had cut D. have been cutting

32. Let's my scientific knowledge skills and your business and start a company.

A. connect B. relate C. combine D. put

33. the physical benefits, aerobic exercises (有氧健身运动) have emotional benefits.

A. In addition to B. In addition

C. What's more D. Beside

34. This is the first time we a film in the cinema together as a family.

A. see B. had seen C. saw D. have seen

35. While developing its economy, China will properly the relationship among the population, natural resources and the environment.

A. deal B. strengthen C. handle D. explore

第二节 完形填空(共20小题；每小题1分，满分20分）

阅读下面的短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

There was a woman in Detroit, who has two sons. She was ___36___ about them, especially the younger one, Ben, ___37___ he was not doing well in school. Boys in