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【简答题】
血细胞中只有______有细胞核，它的作用是 ________ ____ ；红细胞的作用是运输______及一部分______；血小板的作用是________________。
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【单选题】听力原文：W: Mike, I'm sorry, but I have to call to tell you... M: What? W: The truth is... Your job is not so well done. M: Are you certain I didn't perform. well in the office? W: Tom, you've received re...
A.
Husband and wife.
B.
Boss and employee.
C.
Receptionist and customer.
D.
Waiter and guest.
【单选题】. 40 A:Red Sea,this is Pilot Station. What is your last port of call? Over. B:Pilot Station,this is Red Sea. My last port of call was Shanghai. Over. Q:What can you learn from the conversation? ...
A.
The vessel- s destination is Shanghai .
B.
The vessel sails for Shanghai
C.
The vessel is in Shanghai
D.
The vessel's last port of call was Shanghai
【简答题】A．He can't call a taxi for her. B．There is no taxi. C．The traffic is heavy. D．The line is busy.
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