第一节：单项填空
认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项。
1. Practice is the only________ to testify truth, while learning of theory eventually serves practical application.
A. evidence
B. element
C. criterion
D. contrast
2. Under the Dome, funded by Chai Jing, was released on Feb.28th, __________ has raised the public's awareness about air pollution.
A. which
B. that
C. who
D. what
3. They should have informed you of the result of the competition by the time it was eventually given out, ___________?
A. haven't they
B. didn't they
C. shouldn't they
D. hadn't they
4.The talks on Iran's nuclear issue have entered a ____________ final stage when all parties involved are trying to strike a comprehensive deal.
A. concrete
B. crucial
C. consistent
D. contrary
5. The only way to live happily with others is to _________ their faults and admire their virtues.
A. overlook
B. justify
C. clarify
D. acknowledge
6. --What's that survey for?
--To get an insight of _________ the customers think of our new product.
A. how
B. that
C. what
D. why
7.--It's down to you to pick up the lecturer to give us the report tomorrow.
--Yes. But how can I pick him out __________ I'm in the dark about his appearance.
A. while
B. though
C. since
D. when
8. Mr. Mathew, fully _____________ of his son's innocence, began to seek new evidence which would persuade the police to reopen their investigation.
A. convincing
B. convinced
C. to convince
D. to be convinced
9. With the 2022 World Cup final in Qatar _________ on December 18, the public fixed sights on the Arab nation, causing the concern of the intense summer heat.
A. taking place
B. having taken place
C. to take place
D. to have taken place
10. -- How did Professor Li’s lecture impress you?
-- I just heard his voice but he couldn’t _________ what he was saying.
A. pick out
B. make out
C. think out
D. squeeze out
11. -- What about your trip to the town?
-- Couldn’t be worse. Stuck in the mud, the car _____ not move, however hard we pushed it.
A. could
B. should
C. would
D. might
12. --Did your son go to the dentist’s to have his bad tooth pulled out?
-- Yes, though ____________.
A. contentedly
B. reluctantly
C. earnestly
D. controversially
13. The two organizations will arrange a one-year seminar and _________ it with a report on their in-depth studies and research findings.
A. conclude
B. summarize
C. deduce
D. infer
14. --Is it true that all the citizens enjoy free medical care in your country?
-- Not exactly. ____________ only old people aged 60 or over.
A. It is
B. They are
C. There is
D. There are
15. --Where do you think Simon’s disappeared to?
-- ___________. But we are trying to get in touch with his parents.
A. God bless you
B. It’s no big deal
C. God knows
D. It makes sense
