下面共有15个句子，每个句子中均有1个词或短语有底横线，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 Our English teacher is sick.
A fat
B weak
C i11
D mad
2 Mary is looking for the book she lost yesterday
A trying to find
B trying to read
C trying to buy
D trying to borrow
3 I rarely play basketball.
A normally
B seldom
C frequently
D usually
4 My father is a physician.
A researcher
B professor
C doctor
D student
5 The Foreign Service is a branch of the Department of State.
A center
B division
C root
D base
6 The index is the governments chief gauge of future economic activity
A measure
B opinion
C method
D decision
7 Its sensible to start any exercise program gradually at first.
A workable
B reasonable
C possible
D available
8 A lot of people could fall ill after drinking contaminated water.
A boiled
B polluted
C mixed
D sweetened
9 You have to be patient if you want to sustain your position
A maintain
B better
C acquire
D support
10 She stood there，trembling with fear.
A jumping
B crying
C moving
D shaking
11 Medical facilities are being upgraded.
A expanded
B repaired
C improved
D transferred
12 Rock climbing is hazardous
A interesting
B dangerous
C attractive
D useful
13 John is eligible for this job.
A accepted
B recommended
C rejected
D recommended
14 In order to improve our standard of living，we have to accelerate production.
A involve
B decrease
C speed up
D give up
15 Mary looked pale and weary.
A worried
B ugly
C silly
D exhausted