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【简答题】
什么叫雪线？影响雪线高度的三个主要因素是什么？不同纬度的雪线有什么变化规律？
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反馈参考答案：
举一反三
【单选题】When you travel in Xinghua, our local guide will show you around Zheng Banqiao Memorial Hall(纪念馆).
A.
a
B.
an
C.
/
D.
the
【单选题】Every year, we ______ a school trip to Zhou Enlai Memorial Hall.
A.
come on
B.
get on
C.
work on
D.
go on
【单选题】When was the Bao Gong ’ s Memorial Hall first built ?
A.
In Northern Song Dynasty
B.
In Southern Song Dynasty
C.
In Ming Dynasty
D.
In Qing Dynasty
【单选题】This memorial hall ______late in the 1930s in memory of this famous writer.
A.
built
B.
was being built
C.
would be built
D.
was built
【简答题】下列说法正确的是: ( ) A、电路中有电压就一定有电流 B、金属导体中存在有大量自由电荷,只要构成通路,就会有电流 C、电压是形成电流的外部因素 D、电路中有电流不一定有电压A. C
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