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【多选题】
目前常用的PCR基因扩增仪控温方式有A.
水浴锅控温
B.
压缩机控温
C.
半导体控温
D.
离心式空气控温
E.
金属控温
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举一反三
【单选题】—What does Anna's mother do? —She is a doctor. She works in a _____. [ ]
A.
TV station
B.
supermarket
C.
bank
D.
hospital
【单选题】Robotic surgery has less blood loss and pain, lower risk of complications, shorter hospital stays and quicker recovery times than those who have open surgery.
A.
Y
B.
N
C.
NG
【简答题】请完成第四章课后作业 P97 页 第 5 题。
【单选题】None of us expected the president to______at the party. We thought he was still in hospital．
A.
turn in
B.
turn down
C.
turn out
D.
turn up
【简答题】请完成第四章课后作业 P97 页 第 7 题。
【简答题】请完成第四章课后作业 P97 页 第 6 题。
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