单项选择题

The fifth generation computers, with artificial intelligence, ______ and perfected now.

A．developed
B．have developed
C．are being developed
D．will have been developed
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单项选择题
He was ______ determined than you, but he turned out tO be the first to back out.
A．no more
B．not more
C．no less
D．not less
单项选择题
It is time for me to see ______ dinner.
A．out
B．through
C．about
D．off
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