单项选择题

[A] environment [C] atmosphere
[B] space [D] earth

A．space
B．environment [C] atmosphere
C．earth
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单项选择题
[A] stars [C] earth[B] sun [D] space
A．sun
B．stars [C] earth
C．space
单项选择题
[A] use [C] eat[B] live [D] get
A．use
B．eat
C．live [D] get
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