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【单选题】
—Would you like _____ us to play football? —I'd like to. [ ]A.
join
B.
to join
C.
to take part in
D.
take part in
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参考解析：
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皮皮学刷刷变学霸
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【单选题】Passage Two When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are. People who are nearsighted can only see thi...
A.
only when we cannot see perfectly
B.
only when we can see well
C.
even if we can see well
D.
only when we realize how important our eyes are
【简答题】It is said in the passage that when the economy slides.
【单选题】T细胞活化的第一信号是指:
A.
TCR结合APC细胞呈递的抗原肽
B.
T细胞表面的CD4结合APC细胞的MHCⅡ类分子
C.
T细胞表面的TCR和CD4分别结合APC细胞呈递的抗原肽和MHCⅡ类分子
D.
T细胞的CD28分子结合APC细胞的B7分子
【单选题】Which of the following best summarizes this passage?
A.
When language is a barrier, people will find other forms of communication.
B.
Everybody uses only one form. of communication.
C.
Nonlinguistic language is invaluable to foreigners.
D.
Although other forms of communication exist, verbalization is the fastest.
【单选题】According to this passage, when shopping for clothes, women__________
A.
often buy things without thinking
B.
seldom buy cheap clothes
C.
welcome suggestions from anyone
D.
never take any advice
【简答题】According to the passage，the sloth will move about when ．
【单选题】T细胞活化的第一信号是指:
A.
TCR特异性识别pMHC
B.
TCR与APC的非特异性结合
C.
TCR与抗原肽的特异性结合
D.
TCR与MHC分子的特异性结合
E.
T细胞表面CD28与APC表面B7的结合
【简答题】When will melatonin be made in the brain according to the passage?
【单选题】T细胞活化的第一信号是指
A.
TCR结合APC细胞呈递的抗原肽
B.
T细胞表面的CD4结合APC细胞的MHCⅡ类分子
C.
T细胞表面的TCR和CD4分别结合APC细胞呈递的抗原肽和MHCⅡ类分子
D.
T细胞的CD28分子结合APC细胞的B7分子
E.
协同刺激分子与相应受体间的相互作用
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