单项选择题

The atmosphere is as much a part of the earth as ______its soil and the water of its lakes, rivers and oceans.

A．are
B．is
C．do
D．has
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单项选择题
The manager gave one of the salesgirls an accusing look for her______ attitude toward customers.
A．impartial
B．mild
C．hostile
D．opposing
单项选择题
Let me ______ the broken glass before someone walks on it.
A．cover up
B．clear up
C．wash up
D．spring up
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