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【单选题】
PCR的特点不包括A.
只需微量模板
B.
只需数小时
C.
扩增产物量大
D.
底物必须标记
E.
变性、复性、延伸三个步骤循环进行
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反馈参考答案：
举一反三
【单选题】Extracts 8
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
【单选题】Beta blockers work on some physical and emotional symptoms because they
A.
fool a person into a healthier stance.
B.
interfere with the effects of adrenalin.
C.
produce side effects worse than fine symptoms.
D.
primarily change human thought processes.
【单选题】Extracts 3
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
【单选题】Extracts 4
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
【判断题】Compare with physical symptoms, psychological symptoms will be simpler.()
A.
正确
B.
错误
【单选题】Extracts 7
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
【单选题】Beta blockers work on some physical and emotional symptoms because they ______.
A.
fool a person into a healthier stance
B.
interfere with the effects of adrenalin
C.
produce side effects worse than the symptoms
D.
primarily change human thought processes
【单选题】Extracts 1
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
【单选题】Extracts 2
A.
in a taxi
B.
at an airport
C.
at a railway statinon
D.
at a hotel
E.
on a plane
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