1． c she is not sure she can pass on the message.
2． d hold the ladder for him
3． b he'd like some coffee
4． c he might get fired
5． d tony's wife
6． a he was fined for running a red light
7． c he finds reward more effective than punishment
8． b at the dentist’s
9． b he doesn’t agree with the woman’s remark
10． a it was applaudable.
11． b. medical care
12． c. her determination to fulfill her dream.
13． b. to help disabled children there.
14． d. in a small village in chile.
15． a. by expanding their minds and horizons.
16． d. she made outstanding contributions to children’s education.
17． a she won the 1945 nobel prize in literature.
18． c. how animals protect themselves against predators.
19． b. its plant-like appearance.
20． a. it helps improve their safety.

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21 d showing violence is thought to be entertaining
22 b most studies exaggerate the effect of media violence on the viewers.
23 c assert a direct line between violent media and aggressive behavior.
24 d their definition of violence
25 a more studies should be conducted before conclusinons are drawn.

26 a a quarter of americans can't afford their prescription drubs.
27 d exercising price control on brand-name drugs.
28 b high prices are essential to funding research on new drugs.
29 c to allow the vast majority to enjoy its benefits.
30 c reducing supplies to uncooperative canadian pharmacies.

31 a offering senior citizens discounts has become routine commercial practice
32 c the elderly,being financially underprivileged,need human help from society.
33 b intensify conflicts between the young and the old
34 c it benefits the old at the expense of the young.
来源：作文地带整理。

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作文地带知识拓展:

• 学习是通过阅读、听讲、观察、研究、实践等途径而获得知识、技能或认知的过程。

  1.动词通过听讲、阅读或社会实践等方式获得知识或技能。

  2.动词效法。

  广义的学习指人和动物在生活过程中，凭借经验而产生的行为或行为潜能的相对持久的变化。而狭义的学习指人类的学习，人类的学习是指个体在社会生活实践中，以语言为中介，自觉地、积极主动地掌握社会的和个体的经验的过程。因此，人和动物在生活过程中，凭借经验而产生的行为或行为潜能相对持久的变化是广义上对学习的定义。这种变化可以是知识、技能、情感、态度或价值观等方面的提升。