第十五天
词汇部分：
281.Water, when boiled, always________ steam.
A) gives in
B) gives out
C) gives off
D) gives away
282.There are other problems which I don’t propose to________ at the moment.
A) go about
B) go into
C) to after
D) go in for
283.The farmers in this country can improve their________ by using better seedlings and more fertilizer.
A) yield
B) growth
C) harvest
D) gain
284.In addition to rice, we need to________ our diet with fish, meat and vegetable.
A) replace
B) supplement
C) replenish
D) mix
285.We had difficulties at first but everything worked________ smoothly in the end.
A) off
B) up
C) away
D) out
286.I didn’t like his offer so I turned it________ .
A) away
B) off
C) down
D) out
287.Be very careful with this ancient vase as it is________ a lot.
A) worthwhile
B) worth
C) worthy
D) deserving
288.Henry’s news report covering the conference was so________ that nothing had been omitted.
A) comprehensive
B) inclusive
C) concise
D) precise.
289.As a________ president, his views are treated with respect when he is interviewed.
A) prior
B) previous
C) late
D) former
290.After considering various alternatives, we decided to________ our original plan.
A) hang on
B) hold to
C) take to
D) see to
291.The supply of electric power to the city and its neighboring districts has had to be________ .
A) weakened
B) minimized
C) restricted
D) slowed
292.I cut my finger two days ago and it has become badly________ .
A) infected
B) decayed
C) deteriorated
D) diseased
293.Is it advisable to________ our body to the sunlight?
A) reveal
B) display
C) expose
D) show
294.She has to be very________ because she hasn’t much money.
A) economic
B) economical
C) sparing
D) careful
295.John was so________ in his book that he did not hear the door bell ring.
A) engaged
B) occupied
C) absorbed
D) concentrated
296.I helped him clean the floor________ the understanding that I would be rewarded.
A) through
B) by
C) in
D) on
297.Don’t________ this news to the public until we give you the go-ahead.
A) release
B) relieve
C) relate
D) inform
298.What you have done is________ the doctor’s orders.
A) subject to
B) opposite
C) resistant to
D) contrary to
299.Your failure in the final examination is due to the fact that you didn’t________________enough importance to your English.
A) put
B) attach
C) render
D) place
300.When we finally________ to get home after the tiring long journey, we could hardly move a step further.
A) tried
B) succeeded
C) managed
D) endeavoured
