单项选择题

We ______ that diet is related to most types of cancer, but we don't have definite proof.

A．assure
B．suspect
C．ascertain
D．assert
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单项选择题
It is a common ______ : Should you stay where you have friends and family, or take that good job in a far-away city
A．perplexity
B．paradox
C．bewilderment
D．dilemma
单项选择题
The written contract usually holds, unless satisfactory proof is available that you were ______ to sign the contract through false or fraudulent representations, and this is always difficult to prove.
A．elicited
B．excited
C．deduced
D．induced
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