[D] certain behavioral changes

43. No one can expect to fully enjoy the adulthood privileges until he is ________.

[A] eleven years old

[B] sixteen years old

[C] twenty-one years old(C)

[D] between twelve and twenty-one years old

44. Starting from 22, ________.

[A] one will obtain more basic rights

[B] the older one becomes, the more basic rights he will have

[C] one won’t get more basic rights than when he is 21(C)

[D] one will enjoy more rights granted by society

45. According to the passage, it is true that ________.

[A] in the late 19th century in the United States the dividing line between adolescence and adulthood no longer existed

[B] no one can marry without the permission of his parents until the age of twenty-one

[C] one is considered to have reached adulthood when he has a driver’s license(A)

[D] one is not free from the restrictions of child labor laws until he can join the arm

33. D

Examples of stress-inducing events in the life of a young person are death of a pet, pressure to achieve academically, the divorce of parents, or joining a new youth group. 年轻人的生活中，能够带来压力的事件，包括宠物的死亡、学业的压力、父母的离异，或者加入新的年轻人群体。[D] event来自拉丁语evenire发生，e-出.外+venire来，发生出来的事就是“(比较重大的)事件”。而句子表语部分恰恰罗列了种种较为重大的事件。[A] evidence n. 明显，显著，明白，迹象，根据，[物]证据，证物;[B]accident n. 意外事件，(造成一定伤亡或者损失的)事故;[C] adventure n. 冒险，冒险的经历。

34. B

“学业上取得成就”用achieve。[A] acquire和[C] obtain作“获得”解时，作及物动词，后及宾语。[D]fulfill vt. 实践，实行，完成，达到，侧重“履行”之意。

35. A

The different ways in which individuals respond to stress may bring healthful or unhealthy results. 人们对压力做出的不同的反应方式，可能会带来有益于健康，或者不利于健康的后果。[A] respond(常与to连用)反应，回报，对……有反应，对……起作用;[B] return vt. 归还，回报，(经济)收益;[C] retort v. 反驳，反击;[D]reply vi. 答复，回击，报复，答辩，回答。

36. C

One person experiencing a great deal of stress may function exceptionally well while another may be unable to function at a11. 在巨大的压力下。有的人可能会应对非常自如，但是另一个人就完全无法正常发挥。[C] while此处是一个表示转折意义的连词，表示“虽然，但是”。例：You like tennis, while I’d rather read. 你爱打网球，但我爱看书。类似用法的连词还有whereas。例：Some people like fat meat, whereas others hate it. 有些人喜欢肥肉，相反有些人讨厌肥肉。

37. A

Satisfying social relations are vital to sound mental and emotional health. 让人满意的社会关系对于良好的精神和情绪健全至关重要。