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【单选题】
关于T细胞表位和B细胞表位描述正确的是A.
T细胞表位只位于抗原分子表面
B.
B细胞表位多位于抗原分子表面
C.
T细胞表位有构位和线性表位两种
D.
B细胞表位只有构位
E.
B细胞表位需要MHC分子递呈
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举一反三
【单选题】What about those young women who cling to a more traditional dream? (par.12)
A.
hold on to
B.
adhere to
C.
respond to
D.
stick to
【单选题】Read the introduction to the text (Par. 1) and then choose the phrase that best describes what you think this text will be about.
A.
Similarities and differences in families in the United States and other countries
B.
New kinds of family arrangements
C.
The changing roles of mothers in the family
D.
The disappearance of traditions and cultural customs
【简答题】Nowadays few young people (rare) _____ log on to the Internet to learn current news every day.
【单选题】What about those who feel their dreams must be deferred ? (par.12)
A.
abandoned
B.
suspended
C.
delayed
D.
postponed
【单选题】— I have got a pain in my back. — No wonder. You _____ in front of the computer too long. [ ]
A.
have worked
B.
are working
C.
have been working
D.
worked
【简答题】Nowadays quite a few young people would rather buy the (cost) ______consumer goods.
【单选题】听力原文：W: I can't believe I still have this pain in my back. This medicine the doctor gave me was supposed to make me feel better by now. M: Maybe you should start taking it three times a day as you wer...
A.
She should take the medicine as she was directed to do.
B.
She should make another appointment with her doctor.
C.
She should stop taking the medicine.
D.
She should take a good rest.
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