单项选择题

Gravity not only caused bodies to fall __________ their speed.

A．and to increase
B．but also increase
C．and increase
D．but also increased
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单项选择题
Was it __________ that the professor regarded with contempt
A．them who
B．he who
C．them whom
D．those
单项选择题
He will probably be awarded a Nobel Prize on account of his __________ achievements in chemistry.
A．high
B．worthwhile
C．outstanding
D．powerful
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