单项选择题

Satellites travel______.

A．in space
B．in the atmosphere
C．above the ground
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单项选择题
The main(主要的)idea of this passage is that satellites are now used in¬¬¬¬¬¬¬¬______.
A．receiving pictures of the atmosphere
B．weather forecasting
C．taking pictures of the atmosphere
单项选择题
I like go to school early every day.
A．Right
B．Wrong
C．Doesn't say
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