Although adolescent maturational and developmental states occur in an orderly sequence, their timing with regard to onset and duration.
(A) Lasts
(B) Varies
(C) Falters
(D) Accelerates
(E) Dwindles
Answer: B
Last持续，vary变化，falter蹒跚、结巴、犹豫，accelerate加速，dwindle减少。
翻译：尽管青春期的成熟和发展阶段以有序的顺序发生，但他们的时间安排比开始的时间和持续的时间却在变化。
Although supernovas are among the most of cosmic events, these stellar explosions are often hard to , either because they are enormously far away or because they are dimmed by intervening dust and gas clouds.
(A) Remote
(B) Luminous
(C) Predictable
(D) Detect
(E) Foresee
(F) Disregard
Answer: B D
Intervene干涉、介入。
Remote遥远的，luminous明亮的，predictable可预言的，detect发现，foresee预见，disregard不关注。
翻译：尽管超新星属于宇宙中最明亮的天文现象，但是这些星星的爆炸却是难于预测的，或者是因为他们太遥远或者是因为他们被介于其间的灰尘和气体云变得暗淡无光难于分辨。
As is often the case with collections of lectures by authors, the book as a whole is , although the individual contributions are outstanding in themselves.
(A) Different
(B) Incompetent
(C) Mediocre
(D) Disconnected
(E) Unexciting
(F) Coherent
Answer: A D
As is the case with…与…一样。
Different不同的，incompetent无能的，mediocre平庸的，disconnected不统一的，unexciting不令人激动的，coherent连续的。
翻译：正如由不同作者的文章所构成的文集的通常情形那样，本书整体风格是不统一的，尽管个人的作品就自身而言都是很杰出的。
Although some consider forcefulness and to be two traits desirable to the same degree, I think that making a violent effort is much less useful than maintaining a steady one.
(A) Persistence
(B) Perseverance
(C) Promptness
(D) Aggression
(E) Skillfulness
(F) Lucidity
Answer: A B
Forceful强烈的，violent激烈的，trait品质、特点。
Persistence坚持，perseverance忍耐、毅力，promptness促进、机敏，aggresion侵略，skillfulness技巧熟练，lucidty清晰。
翻译：尽管有些人认为努力的拼搏和持之以恒是两个同样值得喜爱的品格，但是我认为做出高强度的努力不如持之以恒的努力有用。
The development of containers, possibly made from bark or the skins of animals, although this is a matter of , allowed the extensive sharing of forage foods in prehistoric human societies.
(A) Record
(B) Fact
(C) Degree
(D) Importance
(E) Conjecture
Answer: E
Record记录，fact事实，degree程度，importance重要性，conjecture推测。
翻译：容器的发展，有可能是用动物的皮肤或者树皮做的，尽管这只是一种猜测，却使得史前人类社会的大规模分享四处找到的食物成为可能。
Although strong legal remedies for nonpayment of child support are , the delay and expense associated with these remedies make it to develop other options.
(A) Unpopular
(B) Available
(C) Nonexistent
(D) Imperative
(E) Impractical
(F) Ridiculous
Answer: B D
The delay and expense和other options表示对于本方案持否定态度，所以第空填负评价词汇。第空与第空反义。
Remedy补救。
Unpopular不流行的，available可用的，nonexistent不存在的，imperative强制的、迫切的、必要的，impractical不切实际的，ridiculous荒谬可笑的。
翻译：尽管针对拒付小孩抚养费行为的强有力的法律措施存在，但是与这些方法密切联系在一起的延误以及过高的费用都使得发展其他方案成为必然。
