考博英语词汇语法模拟题（四十）

以下就是希赛网考博英语频道为大家整理的考博英语词汇语法模拟题，希望大家多多练习，提高英语综合能力。

1.Scientists are working hard to come up with a sure solution to the food________ for mankind.

A) decline

B) rarity

C) scarcity

D) shortage

2.I left for the office earlier than usual this morning________ traffic jam.

A) for the sake of

B) in case of

C) at the risk of

D) in spite of

3.The manager didn’t have time to go into his plan________ ,but he gave us an idea about it.

A) in turn

B) in conclusion

C) at first

D) at length

4.Your improper words will give________ to doubts concerning your true intentions.

A) rise

B) reason

C) suspicion

D) ground

5.The new washing machines are being________ at the rate of 50 a day in this factory.

A) turned off

B) turned down

C) turned out

D) turned in

6.John complained to the bookseller that there were some pages________ in the dictionary.

A) losing

B) missing

C) dropping

D) falling

7.On turning round the corner we saw the road________ steeply.

A) falling

B) decreasing

C) descending

D) lowering

8.The mother said she would________ her son washing the dishes if he could finish his assignment before supper.

A) let down

B) let alone

C) let off

D) let out

9.The managing director took the________ for the accident, although it was not really his fault.

A) guilt

B) blame

C) charge

D) accusation

10.In spite of the wide range of reading material specially written or________ for language learning purposes, there is yet no comprehensive systematic program for the reading skills.

A) adapted

B) acknowledged

C) assembled

D) appointed

[答案]

1-5：DBDAC

6-10：BCCBA