正确答案:

题目：我国天山北坡和北疆大部分地区，冬、春两季有时出现较长时间的连续降水。与此直接相关的天气系统是

解析：B

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[单选题]

set

[单选题]For an American citizen on a 2-day tour of Canada,how much tax does he have to pay on $ 1.600 US worth of purchases when returning to the US?

$ 24 US

[单选题]51______

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