单项选择题

A．oxygen.B．ancient weather.C．carbon dioxide.D．temperatu……

A．oxygen.
B．ancient weather.
C．carbon dioxide.
D．temperature.

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热门试题

填空题live as — 改成like

填空题in average — 改成on

填空题supplementing — 改成supplemented

单项选择题A．negotiating about photographic material.B．negotiating an automobile agreement.C．facing serious problems in trade.D．on the verge of a large-scale trade war.

A．negotiating about photographic material.
B．negotiating an automobile agreement.
C．facing serious problems in trade.
D．on the verge of a large-scale trade war.

单项选择题A．opposition.B．support.C．ambiguity.D．indifference.

A．opposition.
B．support.
C．ambiguity.
D．indifference.