1 The index is the government's chief gauge of future economic activity
A measure
B opinion
C method
D decision
2 It's sensible to start any exercise program gradually at first
A workable
B reasonable
C possible
D available
3 A lot of people could fall ill after drinking contaminated water.
A boiled
B polluted
C mixed
D sweetened
4 You have to be patient if you want to sustain your position.
A maintain
B better
C acquire
D support
5She stood there，trembling with fear.
A jumping
B crying
C moving
D shaking
6 Medical facilities are being upgraded.
A expanded
B repaired
C improved
D transferred
7 Rock climbing is hazardous.
A interesting
B dangerous
C attractive
D useful
8 John is eligible for this job.
A accepted
B qualified
C rejected
D recommended
9 In order to improve our standard of living，we have to accelerate production：
A involve
B decrease
C speed up
D give up
10 Mary look pale and weary.
A worried
B ugly
C silly
D exhausted
答案： 1. 答案為A。 gauge的意思是“估計(jì)，精確測(cè)量”。選項(xiàng)A(measure)的意思是“測(cè)量”，與畫線詞意思相近，故A為答案。
2. 答案為B。 sensible的意思是“明智的”，與選項(xiàng)B(reasonable)意思相同j，所以選B。
3. 答案為B。 contaminated在這里是形容詞，意思是“被污染的，弄臟的”，選項(xiàng)B (polluted)的意思也是“被污染的”，兩者意思相同，故選B。
4. 答案為A。 sustain在這里的意思是“繼續(xù)保持”，與動(dòng)詞maintain意思相同。Sustain one's position的意思是“繼續(xù)保持自己的職位”。
5.答案為D。 題句的意思是，他站在那兒，害怕地發(fā)抖。tremble是“戰(zhàn)栗，顫抖”的意思，與選項(xiàng)D意思相同，故選D。
6.答案為C。 題句的意思是：醫(yī)療設(shè)備正在更新。upgrade的意思是“升級(jí)，更新”， 與improve(改善)意思相近，故C為正確答案。
7.答案為B。hazardous的意思是“危險(xiǎn)的”，與dangerous意思相同，故B為正確答案。
8.答案為B。 eligible的意思是“合格的，有資格當(dāng)選的”，與選項(xiàng)B意思相同，故B為答案。
9.答案為C。 accelerate的意思是“加速”，與speed up意思相同，故選C。
10.答案為D。 本句的意思是：Mary看上去面色蒼白，渾身無力。weary的意思是“疲倦的，萎靡的”，與exhausted意思相近，故選D。