单项选择题

After expiration date, contact lens solution______.

A．will remain stable
B．will become poisonous
C．will not be effective
D．will cause eye irritation

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单项选择题

Which section of the book may contain biblical examples

A．Ⅱ.3.
B．Ⅳ.8.
C．Ⅴ.3.
D．Ⅴ.6.

单项选择题

This index is most probably taken out of a book on

A．history of the English language
B．Greek mythology
C．social development
D．rhetoric

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