单项选择题

A．To carry information that would help determine elevation.
B．To provide accurate weather reports.
C．To relay information from scientists around the world.
D．To indicate which route the mountain climbers should take.
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单项选择题
A．He had planned to attend Jason’s presentation but couldn’t.B．He preferred Jason’s previous presentation.C．He’d like to do the next presentation himself.D．Jason won’t give any more presentations.
A．He had planned to attend Jason’s presentation but couldn’t.
B．He preferred Jason’s previous presentation.
C．He’d like to do the next presentation himself.
D．Jason won’t give any more presentations.
单项选择题
A．nobodyB．everybodyC．somebodyD．anybody
A．nobody
B．everybody
C．somebody
D．anybody
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