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.Millions of tons of water are________ by a complex system of dykes.
A) held up
B) held on
C) held out
D) held back
2.When travelling, you are advised to take travellers’ checks, which provide a secure________ to carrying your money in cash.
A) substitute
B) replacement
C) preference
D) alternative
3.Don’t poke your nose into what doesn’t________ you.
A) connect
B) relate
C) concern
D) interest
4.The discussion was so prolonged and exhausting that________ the speakers stopped for refreshments.
A) at large
B) at intervals
C) at random
D) at length
5.Dozens of scientific groups all over the world have been________ the goal of a practical and economic way to use sunlight to split water molecules.
A) pursuing
B) chasing
C) attaining
D) reaching
6.He does not________ as a teacher of English as his pronunciation is terrible.
A) equal
B) qualify
C) match
D) fit
7.China started its nuclear power industry only in recent years and should________ no time in catching up.
A) delay
B) lessen
C) lose
D) slip
8.I was speaking to Ann on the phone when suddenly we were________ .
A) cut off
B) cut down
C) cut back
D) cut out
9.The State's Department of Commerce in the U.S. is________ to our Bureau of Economic Development.
A) alike
B) equivalent
C) same
D) approximate
10.It's usually the case that people seldom behave in a________ way when in a furious state.
A) responsible
B) reliable
C) rational
D) conscious
[答案]
1-5：DDCBA
6-10：BCABC
