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

There are some faults which men readily ______ , but others not so readily.

A．acknowledge
B．admit
C．confess
D．concede

单项选择题

The lady dressed in the latest Paris fashion is ______ in her appearance but rude in her manners.

A．elaborate
B．excessive
C．elegant
D．exorbitant

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