考博英语词汇语法题是各博士招生院校常考题型之一，新东方在线考博频道整理了2020考博英语词汇语法练习题及答案解析供考博生们参考练习。
21.Except on official________ such as formal receptions, American society has a certain amount of informality.
A) cases
B) situations
C) events
D) occasions
22.The final document was, of course, supposed to mend the damage________ upon the world by the war.
A) imposed
B) impressed
C) compelled
D) compressed
23.While walking along the icy river banks, we could see cracks in the ice________ in all directions.
A) radiating
B) dividing
C) splitting
D) tearing
24.Tibet, the second largest province of China, is________ in uranium (铀) and underground thermal power(地热).
A) wealthy
B) abundant
C) adequate
D) sufficient
25.The young couple were quite excited by the________ of having their first child.
A) perspective
B) prospect
C) future
D) foresight
26.So many children have bought the balloons that the store is now out of________ .
A) stuff
B) material
C) stock
D) staff
27.She was always in perfect sympathy with me________ my love of nature.
A) with regard to
B) in contrast to
C) in case of
D) in the event of
28.There are nations whose lack of contact with the outside world has________ poverty.
A) fallen into
B) consisted in
C) resulted in
D) amounted to
29.This is the________ to an improvement of their living conditions.
A) key
B) decision
C) essence
D) alternative
30.It was bold idea to build a power station in the deep valley, but it________ as well as we had expected.
A) went off
B) worked off
C) broke off
D) came off
31.Christmas is a Christian holy day usually celebrated on December 25th________ the birth of Jesus Christ.
A) in favour of
B) in honour of
C) in terms of
D) in accordance with
32.The________ action of the policemen saved the people in the house from being burnt.
A) alert
B) urgent
C) prompt
D) punctual
33.The pollution question as well as several other issues is going to be discussed when the Congress is in________ again next spring.
A) assembly
B) conference
C) convention
D) session
34.Your________ is the round of things that you usually do each day.
A) practice
B) habit
C) routine
D) custom
35.I________ with thanks the help of my colleagues in the preparation of this new column.
A) express
B) acknowledge
C) confirm
D) verify
36.David is the________ holder of the world 5000-meter race world record, but there is no guarantee that he will win in the Olympic Games.
A) prevalent
B) dominant
C) current
D) prominent
37.Your complaint is being________ ; when we have anything to report we’ll write to you again.
A) looked through
B) looked over
C) looked after
D) looked into
38.To our delight, she quickly________ herself to the new situation.
A) acquainted
B) exposed
C) adapted
D) devoted
39.The manger gave one of the salesgirls an accusing look for her________ attitude toward customers.
A) straightforward
B) partial
C) favourable
D) hostile
40.With the joint effort of everyone, the plan is________ to succeed; I’m sure of that.
A) obvious
B) bound
C) doubtless
D) necessary