单项选择题

The retired president was very angry ______ even by the cooks.

A．to be ignored
B．to have been ignored
C．to having been ignored
D．to have ignored
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单项选择题
The play was too sophisticated for them.
A．dull
B．childish
C．silly
D．complicated
问答题
Outline: 1. Relation between science and modem life 2. Influence of science on life 3. Science and our future
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