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【多选题】
II型自剪接与前mRNA剪接体剪接的相似之处是（）。A.
两种内含子都通过相似的机制进行剪接
B.
它们的剪接过程中涉及套索中间体的产生
C.
RNA 催化进行
D.
都需要 U1 snRNP
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【单选题】—Let me take your bag. — ___________ ,but I can manage it myself.
A.
That 's very kind of you
B.
It doesn't matter
C.
Good idea
D.
I'm sorry
【简答题】Let me take your temperature and see if you’ve got a ________ (发烧) .
【单选题】The simulated computer models are proved reliable when______.
A.
an important factor affecting global temperature is included in the simulations
B.
an increasing number of scientists show confidence in the computer models
C.
they successfully predicted temperature changes after a volcano eruption
D.
a number of studies produce more positive results
【单选题】The word 'logged' most probably means ' ______ '.
A.
preset
B.
entered
C.
processed
D.
simulated
【单选题】This summer trainers hope to ______.
A.
give Keiko a simulated stay in the wild
B.
immediately set him free
C.
take him on a tour of Europe
D.
move him to another aquarium
【简答题】It sounds like you’re coming down______the flu. Let me take your temperature.
【单选题】--- Let me take your temperature, it is 39.1 degrees. --- You____ .
A.
have a fever.
B.
catch a cold
C.
hurt your back
D.
hurt your hand
【单选题】—How long did Mary work here? —For half a year, but she didn’t leave us much ____. We hardly remember what she is like.
A.
expression
B.
explanation
C.
impression
D.
conclusion
【单选题】The main difference between the Earth's atmosphere and the simulated one is ______.
A.
their size.
B.
their content.
C.
their height.
D.
their density.
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