单项选择题

The results of the experiments were ______ and they will have to be done again.

A．intricate
B．articulate
C．complicated
D．ambiguous
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单项选择题
You describe something as ______ when it is extremely beautiful in appearance or it is very pleasant or satisfying.
A．extravagant
B．exquisite
C．extinct
D．explicit
单项选择题
Eric was ______ at being told he would have to wait two weeks for an appointment with Dr. Johnson.
A．perplexed
B．periodic
C．temporary
D．indignant
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