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1.The miners were determined to ______until they got their demands.
A.wear out B. knock out C.fall out D. stick out
Best Answer:D
详解：答案为D。stick out标明“坚持究竟”；wear out标明“用坏，穿破，耗尽，使筋疲力尽等”；knock out标明“使……昏倒，损坏，用尽全力”；fall out标明“吵架，不好”。
2. Paper money printed by banks must be exchanged ______ metal money ______demand.
A.to/with B. for/on C.into/by D. by/from
Best Answer:B
详解：答案为B。介词for标明交流，如“in return fore标明“作为……的交流”；介词on标明“在…时分，在…后当即”。
3.The train of 100 wagons would roll on the ________ of seven.
A.stroke B. wheel C.whistle D. strike
Best Answer:A
详解：答案为A。stroke指钟的报时声，on the stroke of seven标明“整七点钟”；strike指“击、打”。
4.To______greater accuracy, all the orders will be double-checked before leaving the office.
A.confirm B. ensure C.affirm D. insure
Best Answer:B
详解：答案为B。ensure意为“make sth. certain”，保证，担保；confirm表“证明”；affirm表“证明;断语”；insure标明“给…稳妥”
5.Although not an economist himself, Dr. Smith has long been a severe critic of the government's______ policies.
A.economical B. economy C.economic D. economics
BestAnswer:C
详解：答案为C。economical标明“节约的”；economy指“经济”；economic指“经济的”；economics指“经济学”。
6.The police have therefore assumed that the gang found it easier to break into garages where vehicles are often left unlocked at night _________ in day time or at night.
A.than park locked cars on the roadside B. than lock cars on the roadside C.than into locked cars parked on the roadside D. than the locked cars which pa
rked on the roadside
Best Answer:c
详解：答案为C。本句中比照的两有些别离为break into garages 和(break )into locked cars.
7.Trial and error _______ the source of our knowledge.
A.are B. has been C.had been D. is
Best Answer:D
详解：答案为D。主语trial and error是一种办法，即“试错法”，所以谓语动词使用第三人称奇数方法，一起这也是一条真理，故用一般如今时。
8. Since his blood pressure is much higher than it should be, his doctor insists that he _________ smoke.
A.will not B. does not C.gives up D. not
Best Answer:D
详解：答案为D。谓语动词为insist，所跟宾语从句谓语动词使用虚拟口气，should可省掉。
9.John _________ now, but we must go to work.
A.would rather we didn't leave B. wouldn't rather we leave C.wouldn't rather we left D. would rather not we leave
Best Answer:A
详解：答案为A。would rather接从句时，从句中的谓语动词用虚拟口气。
10.I promise to _________ the work is done on time.
A.see to it that B. see it that C.it which to see D. see which to it
Best Answer:A
详解：答案为A。“see to it that”标明“保证，保证”，to不可以省掉。
