题目内容

What’s up()

A. How do you do
B. Nice to meet you
C. Good morning
D. Nothing special

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What’s wrong with you? It seems that you are abstent-minded()

A. I’m sorry I didn’t notice that
B. That’s Ok
C. Thanks
D. Nice to see you

在一个java原文件中,import、class、package语句的顺序是()

A. import class package
B. package class import
C. class package import
D. package import class

Which type of DNA is duplicated by rolling circle
replication()Which type of DNA is duplicated by rolling circle
replication()

A. bacteriophage λ
B. plasmid
C. DNA
D. C.bacteriophage
E. Φ X174
F. D.all
G. of the above

Which E. coli DNA polymerase has the
ability to“proofread” newly synthesized DNA and remove erroneous bases()Which E. coli DNA polymerase has the
ability to“proofread” newly synthesized DNA and remove erroneous bases()

A. DNA polymerase I only
B. DNA polymerase III only
C. DNA polymerase I and III
D. all
E. three DNA polymerases have proofreading ability

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