It is generally believed that Watson and Crick’s discovery about DNA was ____ beginning of _____ enormous advances in _____ field of genetics.
A.the, the, the | B./, /, the | C.the, /, the | D.the, the, a |
University is ________ most worthwhile time of discovery and learning, and it is also ________ very enjoyable and valuable experience for every one of us.
A.a; a | B.the; / |
C./; a | D.a; the |
Under______ reform program announced on Nov 15, the government has decided to give____ green light to couples wanting to have two children if one of the two parents is an only child.
A.a ; a | B.the ; the | C. / ; a | D.a ; / |
Many ______ Chinese cultural relics, which have been lost over ______ last century, have started to return home.
A./; the | B./; / | C.the; a | D.the; the |
--Did you enjoy yourself yesterday?
--Yes. As you saw, ________ party went on in____________ most pleasant atmosphere.
A.the; a | B.the; the | C.a; the | D.a; a |
If I had followed her advice and worn _______ warm clothing, I wouldn’t have caught such _______ bad cold.
A.a; / | B.a; a | C./; a | D./; / |
It is reported that a bus went out of _____ control on a highway ____ south of the city last night.
A./; / | B./; the | C.the; / | D.the; the |
Late in the afternoon, they arrived at ______ small village ______ north of the West Hill.
A.the, the | B.a, \ | C.a, the | D.the, \ |
---You’ve read the Frog by Moyan , haven’t you?
---Yes, I_______ second time and I got a better understanding.
A.have read a | B.had read the | C.will read the | D.read a |
Most scientists seem to agree that ________ certain limit should be set on ______
sale of cars to ease air pollution.
A.a; the | B./; the | C.the; / | D.the; the |
According to ____recent report, house prices in this city will reach 10000 yuan a square meter by ____year 2016.
A.the a | B.a the | C.不填 the | D. a不填 |
The teachers believe ______ punishment is by no means ______ wise choice to help the pupils grow healthily.
A./; a | B.the; the | C.a; a | D.the; / |
I don't like talking on _______ telephone; I prefer writing _______ letters.
A.a; the | B.the; / | C.the; the | D.a; / |
We had to spend three more hours waiting in ______cafe at the airport because _______ flight was delayed.
A.a; the | B.不填; the | C.the; 不填 | D.a; a |