13. ______ all our efforts, we still lost the game.

9. Time becomes scarce; new friendships are often _____ on sharing the burden of child care.

32. What does “sleep-deprived” mean in Paragraph 2?

16.

10. ______ many times,he finally understood it.

12. Don’t lose ______.Work hard, and you will succeed.

（2）运用耶克斯—多德森定律分析李某两次考试失败的原因，并提出恰当控制动机水平的建议。（6分）

1. It is ______ honour to take part in ______ celebration, so how could I make any mistakes?

四、语法填空（每题1分，共10分）36. Many black leaders have many good _________ (quality) and have made great contributions to mankind.37. Everybody sang high praise for her _________ (devote) to the cause of education.38. Any man will be equal _________ the task, so long as he is careful. You should give it a try.39. _________ a matter of fact, we must learn English through accumulating in drops.40. In addition，the team set up a separate experiment that suggested that the baby birds that most closely imitated their mom‘s voice were _________ (reward) with the most food.41. By now paramedics has arrived, and are attending to the _________ (injure) woman.42. The number of foreign students attending Chinese universities _________ (be) rising steadily since 1990.43. Works of art and priceless historical records _________ (destroy) last night.44. The water rose so fast that it seemed as _________ it would cover the whole house.45. One day，the cow was eating grass ______ it began to rain heavily.

14. At that time ______ two important players ______ a big problem for Lang Ping.

2.---Is this blue schoolbag Lucy’s?---No. It ______ be hers. Her schoolbag is pink.

3.---Shall we ask Bob to help us do the work?---Sure. Time _____ and we have a lot to do tonight.