题目内容
（请给出正确答案）
Scientists think American mink has more useful fur.
A．Right.
B．Wrong
C．Doesn't Say.
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Scientists and environmentalists think that global warming can be ______.
A．continued
B．improved
C．controlled
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ay to discover truth.
A.ln case of
B.Regardless of
C.ln the event of
D.Despite of
Scientists think that the decline of amphibians could
A．cause environmental change.
B．cause a decline in other kinds of animals.
C．be a warning signal for human beings.
D．be a good sign for human beings.
The scientists have absolute freedom as to what research they think it best to______
A．pursue
B．devote
C．adjust
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Scientists think that the decline of a mphibians could
A．cause environmental change.
B．cause A decline in other kinds of animals.
C．be A warning signal for human beings.
D．be A good sign for human beings.
Scientists think that ______ .
A．they may get the result of how hormones work
B．they should do more studies on male hormones
C．they may get hormones to serve people
D．nearly half of the female patients have hormone problem
What did scientists think was true？
A．Each person has a fixed weight range.
B．Each person has a weight range of 9 kg.
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D．Each person wants to eat to his heart's content.
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A．cause environmental change.
B．cause a decline in other kinds of animals.
C．be a warning signal for human beings.
D．be a good sign for human beings.
Scientists think that we should blame the virus of flu all on wild birds.
A．Y
B．N
C．NG
The scientists have absolute freedom as to what research they think is best to ______.
A．pursue
B．devote
C．engage
D．seek
