单项选择题

This is the microscope（）which we have had so much trouble.

A．at
B．from
C．of
D．with

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单项选择题
The book is said（）into many languages.

A．to translate
B．to have translated
C．have been translated
D．to have been translated
单项选择题
Participating in such activities would affect him in（）

A．more than one ways
B．more ways than one
C．one more than ways
D．than more than ways
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