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【单选题】
下列哪种物质参与ADCC效应A.
IgG
B.
IgM
C.
巨噬细胞
D.
T细胞
E.
SmIg
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反馈参考答案：
举一反三
【简答题】By the time he had made the journey from Britain to Australia with the submarine, he had become a minor celebrity.
【单选题】Why did the man have to be leaving?
A.
Because he had to go home.
B.
Because he had to get up early.
C.
Because he was tired.
【单选题】Why did the man apologize?
A.
He had lost the dictionary.
B.
He had forgotten to bring the dictionary.
C.
He had forgotten to tell Mr. Smith to bring the dictionary.
【简答题】Tom just go t hired at the ice cream shop. It was called Creamy Goodness. It was a __(1)__ walk from his house. Today was his first day on the job. He was nervous. He was also excited. He __(2)__ in h...
【单选题】Why did the man go to the bank?
A.
He had to pay the fine there.
B.
He wanted to get small change.
C.
He intended to call the traffic police.
【单选题】Why did the man have to be leaving?
A.
Because he had to go home.
B.
Because he had to get up early tomorrow.
C.
Because he had tired.
【简答题】A．He was badly in need of money. B．He had to rush to the concert. C．He was late for the college class. D．He had to take his wife to hospital.
【单选题】He had to consider the offer. Anyway, he had to rear his whole family.
A.
set up
B.
rebuild
C.
construct
D.
raise
【单选题】较之一般经济现象,旅游目的地短期经济活动的特殊性表现出为
A.
存在过剩供给和过剩需求现象
B.
过剩供给与过剩需求并存且转化速度慢
C.
过剩供给与过剩需求并存且转化速度快
D.
过剩供给与过剩需求在时间上分隔性存在
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