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【单选题】
免疫防御功能主要清除的“异己”成分为 ( )A.
衰老的自身细胞
B.
病原体
C.
肿瘤细胞
D.
病毒感染细胞
E.
已死亡的组织细胞
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举一反三
【简答题】we have enough evidence. we cant win the case. A,Once B As long as C. Unless D. Since
【单选题】Henry doesnt know what to ______ at the university; he cant make up his mind about his future.
A.
take in
B.
take up
C.
take over
D.
take after
【单选题】The new immigrants have to make adjustments to ______ the environment, otherwise they cant survive this most competitive world.
A.
adapt
B.
regulate
C.
revise
D.
suit
【单选题】We cant _______ another 100 kilometers any more. A.haveB.turnC.make###SX
A.
We cant _______ another 100 kilometers any more. A.have
B.
turn
C.
make
D.
reach
【单选题】听力原文：W: This is our rock-bottom price, Mr Li. We cant make any further concessions. M: If thats the case, theres not much point in further discussion. We might as well cancel the whole deal. Q: What a...
A.
They should buy a monthly meal ticket.
B.
It is no good buying meals separately.
C.
The price of a meal varies from month to month.
D.
Since neither way helps save money, they can do it either way.
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