单项选择题

When travelling, you are advised to take travellers' checks, which provide a secure______ to carrying your money in cash.

A．substitute
B．selection
C．preference
D．alternative
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单项选择题
He claims to be an expert in astronomy, but in actual fact he is quite ignorant on the subject. ______he knows about it is out of date and inaccurate.
A．What little
B．So much
C．How much
D．So little
单项选择题
France's ______ of nuclear testing in the South Pacific last month triggered political debates and mass demonstrations.
A．assumption
B．consumption
C．presumption
D．resumption
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