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【单选题】
在重组DNA技术中,能特异切割DNA的酶是A.
限制性核酸内切酶
B.
核酸外切酶
C.
核酶
D.
DNA酶
E.
DNA连接酶
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】The lady who had invited us heard me telling my wife that the dinner was terrible, so I was .
A.
wounded
B.
confused
C.
embarrassed
D.
insulted
【简答题】诗经六义分别是 。
【简答题】《诗经》有六义之说,六义分别是风雅颂和()()()。
【单选题】The lady who had invited us heard me telling my wife that the dinner was terrible so I was _____.
A.
confused
B.
nervous
C.
shameful
D.
embarrassed
【多选题】What are some types of post-listening activities?
A.
multiple-choice questions
B.
answering questions
C.
note-taking and gap-filling
D.
dictogloss
【单选题】People choose to do some types of work because of various incentives, such as extra money or some sort of special benefit.
A.
help to make work
B.
types of motivation
C.
offer easier
【简答题】诗经六义分别是:
【单选题】a suggestion for a way of keeping some types of soil safe in the near future
A.
Section A
B.
Section B
C.
Section C
D.
Section D
E.
Section E
F.
Section F
G.
Section G
【简答题】对大蒜的适应时间是多久?
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