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【单选题】
( )用于连接类型或结构相似的多个局域网,除了具有数据交换功能外,还增强了选择功能,是目前较热门的网络设备,取代了集线器和网桥。A.
路由器
B.
交换机
C.
集线器
D.
服务器
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举一反三
【单选题】听力原文：W: Will you lend me the book? I'm sure I can finish reading it before Friday. M: I do think that I myself should be the first reader. Will the woman get the book she wants?
A.
No, she won't.
B.
Yes, she will.
C.
Yes, but after Friday.
D.
Yes, but she must return it.
【简答题】What will trouble us in the morning?
【多选题】一个947人的群体,M血型348人,N血型103人,MN血型496人,则
A.
M血型者占36.7%
B.
M基因的频率为0.63
C.
N基因的频率为0.63
D.
MN血型者占52.4%
E.
N血型者占36.7%
【单选题】一个947人的群体,M血型348人,N血型103人,MN血型496人,则
A.
M血型者占36.7%
B.
M基因的频率为0.66
C.
N基因的频率为0.63
D.
MN血型者占55.4%
E.
N血型者占36.7%
【单选题】—Can the boy finish _____ the book in about a week? —I think he can. [ ]
A.
read
B.
reading
C.
to read
D.
reads
【简答题】What is the identity of the narrator 'us'?
【单选题】____ frightened us ______ a tiger turned up suddenly in front of us. [ ]
A.
What; was that
B.
What; was
C.
It; that was
D.
It was; that
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