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【单选题】
分离外血单个核细胞,单次差速密度梯度离心法常用分层液是A.
Ficoll - Hypaque分层液
B.
右旋糖酐
C.
明胶
D.
葡聚糖
E.
Percoll分层液
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反馈参考答案：
举一反三
【单选题】加腋区钢筋的注写方式为( )。
A.
集中标注，注写在括号内
B.
原位标注，注写在括号内
C.
集中标注，以字母Y打头注写在括号内
D.
原位标注，以字母Y打头注写在括号内
【简答题】Sally ’ s aunt is a (护士) .
【简答题】Sally’s aunt has just come back from France. Now she’s staying at the Pearl Hotel, Room ____.
【单选题】Why did Mr. Rochester say '... and then you stab me in the back!' (the 7th para. ) ______.
A.
Because Jane had intended to kill him with a knife
B.
Because Jane had intended to be more critical
C.
Because Jane had regretted having talked to him
D.
Because Jane had said something else to correct herself
【单选题】V.J(7th para.) means______.
A.
the cameramen
B.
the show's hosts
C.
the cameramen and the show's host
D.
none of the above
【单选题】What does 'that number'(Para. 5) refer to?
A.
88.
B.
311.
C.
The 11th letter.
D.
The Ku Klux Klan.
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