单项选择题

A．Greenhouse gases.
B．Global warming.
C．Change of agricultural zones.
D．Change of climates.
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单项选择题
A．When she read the text.B．When she asked a question.C．When she explained the text.D．When she turned to write something on the blackboard.
A．When she read the text.
B．When she asked a question.
C．When she explained the text.
D．When she turned to write something on the blackboard.
单项选择题
A．He wants to do the good thing.B．He probably won’t listen to the man’s advice.C．He has decided not to buy the house.D．He has made a good decision.
A．He wants to do the good thing.
B．He probably won’t listen to the man’s advice.
C．He has decided not to buy the house.
D．He has made a good decision.
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