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【单选题】
These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.A.
beautiful,and
B.
natural;while
C.
artificial;though
D.
real; so
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【单选题】--- Mr. Li hit the motorbike. ---___________.
A.
It doesn't matter
B.
Thank you
C.
That's good
D.
I'm sorry to hear that
【单选题】对人工自然界与生态自然界的关系,理解正确的是:
A.
人工自然界包含生态自然界
B.
生态自然界包含人工自然界
C.
人工自然界与生态自然界互不统属
D.
人工自然界与生态自然界是交叉关系
【单选题】Which statement is not true about NATO?
A.
the whole name is the North Atlantic Treaty Organization
B.
it is established after World War I
C.
it is a group of countries banded together
D.
it is to balance out the military strength of the Soviet Union
【单选题】Regarding the description of iron-sulfur protein, which one is NOT correct?
A.
Transfer electron
B.
Its prosthetic group is heme
C.
locat i n the inner membrane of mitochondrion
D.
active center consists of Fe-S
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