单项选择题

The energy gained from the sun can then be used during the hight to enable the necessary chemi-cal reactions to _______ in his body.

A．conduct
B．proceed
C．progress
D．practice
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单项选择题
The painter Jacob Lawrence frequently incorporated patterns into his compositions, making them more striking than they would _______ have been.
A．instead
B．however
C．otherwise
D．nevertheless
单项选择题
_______ New York City is America's largest city, it is not the capital of New York State; Albany is.
A．Despite
B．Although
C．Because of
D．In spite of
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