Experimentsofthiskindinboththe

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Experiments of this kind ________ in both the U.S. and Europe long before the Second World War.

A．conducted	B．was conducted
C．had been conducted	D．had conducted

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Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.

A．carried on

B．carried out

C．carried away

D．carried off

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Putting in a new window will ______ cutting away part of the roof.

A．contain

B．comprise

C．include

D．involve

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Mr. Smith was so angry at all _____ Bill was doing ______ he left.

A．that…what

B．that…that

C．which…which

D．what…that

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–He didn’t feel a bit nervous when _____.
--No. He’d spent a lot of time _____ for it after all.

A．interviewing…to prepare	B．interviewed…to prepare
C．interviewing… preparing	D．interviewed… preparing

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We will be for ______ promises to volunteer to help us solve the puzzling problem.

A．whoever

B．any one of them

C．those who

D．anyone

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