单项选择题

The ______ of the space shuttle that had exploded in the air were scattered over a large area.

A．segments
B．fragments
C．elements
D．ornaments
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单项选择题
The debate as to which is the best way to lose weight has never come to an end.
A．considering
B．including
C．relating
D．concerning
单项选择题
We felt very nice in the lobby, the more so since it was chilly out of doors that day.
A．cold
B．mild
C．moderate
D．hot
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