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.