单项选择题

A．It enables Earth to stay warm enough for life to survive.
B．It makes your car much hotter inside than outside.
C．It can improve human living standard.
D．It can absorb the sun’s rays.
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单项选择题
A．At a party.B．On a picnic.C．On campus.D．At a friend’s house.
A．At a party.
B．On a picnic.
C．On campus.
D．At a friend’s house.
单项选择题
A．Beside a window.B．Next to a pretty girl.C．In the front of the plane.D．Anywhere but by the window.
A．Beside a window.
B．Next to a pretty girl.
C．In the front of the plane.
D．Anywhere but by the window.
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