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
The newcomers found it impossible to ______ themselves to the climate sufficiently to make permanent homes in the new country.
A．suit
B．adapt
C．regulate
D．coordinate
单项选择题
Changing from solid to liquid, water takes in heat from all substances near it, and this ______ produces artificial cold surrounding it.
A．absorption
B．transition
C．consumption
D．interaction
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