According to the author, only about 20% people keeping their resolutions does not necessarily mean that_____.
A. the figure is rather depressing and unexpected as well
B. those who have made their resolution should give up their effort
C. whoever keep their resolutions should start eating potato chips
D. long-term resolutions are not important for those facing troubles
查看答案
dUMP转变为dTMP，其甲基供体是N5，Nt10-亚甲基THFA。()
A. 正确
B. 错误
二磷酸腺嘌呤核苷可直接转变为二磷酸脱氧腺嘌呤核苷。
A. 正确
B. 错误
W: Well, it's rather hard to find anything for less than 300 dollars around here. Rents are lower in the suburbs. But you need transportation if you choose to live there.
Q: What do we learn from the conversation？
(2)
A. The man will probably have to find a roommate.
B. The man is unlikely to live in the suburbs.
C. The man will probably have to buy a car.
D. The man is unlikely to find exactly what he desires.
【C3】
A. at length
B. at hand
C. at large
D. at best
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