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【单选题】
下列哪项细胞连接又称通讯连接
A.
B.
C.
粘合带
D.
紧密连接
E.
缝隙连接
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参考答案:
举一反三
【简答题】He is becoming more and more (act) ______ in sports and music.
【单选题】.He went to the States in 1910,by _________ time he had learnt to dance and act in comedies.
A.
that
B.
the
C.
which
D.
whose
【单选题】. He _______ to act out the story he had read, but he failed.
A.
deserved
B.
tried
C.
managed
D.
pretended
【简答题】葡萄胎清宫术后应避孕______________年,宜采用______________。
【单选题】When he was the director of the company, his first accomplishment was to improve the working conditions.
A.
plan
B.
purpose
C.
achievement
D.
task
【单选题】He ______ unwisely, but he was at least trying to do something helpful[1999]
A.
may have acted
B.
must have acted
C.
should act
D.
would act
【简答题】He is ardently______(act)for the cause of environmental protection.
【单选题】下述能直接合成、分泌抗体的细胞是
A.
浆细胞
B.
B细胞
C.
T细胞
D.
巨噬细胞
E.
NK细胞
【单选题】- ______ he _____ on the farm(农场)? -Yes, he does. He' s a good farmer. [     ]
A.
Does, work
B.
Is, working
C.
Does, do
【简答题】It is sensible for him to act as if he were mad in the court, because in that case, he would ______(免受法律的惩罚).
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