下面共有15个句子，每个句子中均有1个词或短语划有底横线，请从每个句子后面所给的4个选项中选择1个与划线部分意义最相近的词或短语。答案一律涂在答题卡相应的位置上。
1 We should be cautious in crossing a crowded street.
A careful
B intelligent
C quiet
D weary
2 Japan made a proposal to Korea for increasing trade between two countries.
A preparation
B exception
C suggestion
D companion
3 I can hardly believe it, it's amazing.
A over and over
B unconscious
C unreliable
D incredible
4 Peter is experiencing a difficult period in his life.
A going into
B going out of
C going over
D going through
5 Sandre came across an important letter yesterday while cleaning the desk.
A mentioned
B read
C discovered
D walked away with
6 The old concerns lose importance and some of them vanish altogether.
A disappear
B develop
C linger
D renew
7 She has such exceptional abilities that everyone is jealous of her.
A regular
B specific
C extraordinary
D rare
8 Have you got a spare pen?
A new
B long
C thin
D extra
9 In l86l it seemed inevitable that the Southern states would break away from the Union.
A strange
B certain
C inconsistent
D proper
10 Sulphur has occasionally been found in the earth in an almost pure state.
A regularly
B accidentally
C sometimes
D successfully
11 Do you need anybody to assist you in your work?
A inform
B aid
C direct
D instruct
12 If you have any complaint please see the manager.
A protest
B criticism
C suggestion
D fault
13 Extremely refined behavior, however, cultivated as an art of gracious living, has been characteristic only of societies with wealth and leisure, which admitted women as the social equals of man.
A possible
B typical
C interesting
D morally good
14 Below 600 feet ocean waters range from dimly lit to completely dark.
A inadequately
B hardly
C faintly
D sufficiently
15 Thus our conviction is reinforced that only social revolution can really solve the problems of the people.
A argument
B belief
C proposal
D theory
