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问题 综合

读下面，完成下列要求：

（1）图中字母所代表的大洋名字分别是：

A是______，B是______，C是______，D是______。

（2）请在图相应位置填注下列地理事物：（填相应的序号）

①北美洲②非洲③南极洲④亚洲⑤大洋洲

（3）赤道穿过的大陆有______、______。

答案

（1）太平洋；北冰洋；大西洋；印度洋

（2）“略”

（3）非洲；南美洲（不分先后）

单项选择题

Dense snow cover can cause unusually harsh weather patterns to persist. If a severe winter storm blankets the Great Plains, the snow cover reflects the sun’s radiation back into space and thus keeps the temperature of the ground tow. Consequently, cold air moving down from Canada remains cold enough to cause more snowstorms.
Which of the following is a conclusion that can be properly drawn from the information above

A．Winter weather on the Great Plains is the product of unusual movements of air masses.

B．The Great Plains are more likely than other areas to suffer unusually harsh weather patterns.

C．If the Great Plains get more snow than usual early in the winter and the snow remains until the spring thaw, the winter is likely to be colder than usual.

D．Even if the temperatures on the Great Plains are not extremely cold but are just below freezing, a moderate snowstorm will probably turn into a blizzard.

E．(E) The temperature of the ground depends primarily on the thickness of the snow cover.
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单项选择题

采购申请单一般有多联，其中由申请采购部门留存的称（）。

A.采购通知单

B.验收单

C.准购单

D.采购申请单
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