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【单选题】
基本农田保护区划定的原则中，与国民经济及社会发展中长期计划和规划相适应，规划年限一般( )年以上。A.
3
B.
5
C.
8
D.
10
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皮皮学刷刷变学霸
举一反三
【单选题】Why shouldn’t Kenneth touch Amir’s right arm with his left hand? Do you think it is because in the Muslim world
A.
the right arm is sacred and cannot be touched by any other persons.
B.
the left hand is profane and touching someone with it is very offensive.
C.
the left hand is sacred and cannot be used for touching anything not holy.
D.
the right arm can only be touched with the right hand.
【多选题】对单糖的半缩醛羟基和醇羟基,下列说法正确的是( )。
A.
都可以与酰氯或酸酐生成酯
B.
都能与碘甲烷生成醚
C.
都能在酸性条件下与甲醇形成醚
D.
半缩醛的甲醚容易水解重新形成半缩醛
【简答题】Vasospasm means sudden contraction (-spasm) of a(n) ____.
【简答题】糖上羟基的活泼性 A．C 2 -OH B．羟甲基 C．半缩醛羟基 D．其余羟基 ( )＞( )＞( )＞( )
【简答题】半缩醛羟基
【单选题】It was because of his ______that Pat was left to tiT his luck.
A.
boldness
B.
calmness
C.
quickness of mind
D.
obedience
【判断题】A sudden monetary contraction moves the economy up a short-run Phillips curve, reducing unemployment and increasing inflation.
A.
正确
B.
错误
【简答题】要计算下表中每种图书的销售额(销售额=定价*销量),应该在D2单元格填入公式________,在向下填充。
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