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【单选题】
浇筑墙体混凝土前,其底部应先浇( )。A.
5~10mm厚水泥浆
B.
5~10mm厚与混凝土内砂浆成分相同的水泥砂浆
C.
50~100mm厚与混凝土内砂浆成分相同的水泥砂浆
D.
100mm厚石子增加一倍的混凝土
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皮皮学刷刷变学霸
举一反三
【简答题】在我国引起肝硬化最常见的病因是______。
【单选题】国家统计局12月14日公布的全国粮食生产数据显示，2018年全国粮食总产量65789万吨，尽管比2017年减少371万吨，但减幅只有 0.6%，仍处于高位水平，属于丰收年景。今年，各地深入推进农业供给侧结构性改革，调减库存较多的稻谷和玉米种植，扩大大豆种植，因地制宜发展经济作物。初步统计，今年全国粮食播种面积( )亩，比上年减少1428万亩，下降0.8%。因播种面积减少，粮食减产107亿斤。
A.
17.56亿
B.
18.56亿
C.
19.56亿
D.
20亿
【单选题】The third reason for different in clothing is______.
A.
different materials
B.
different ways of making clothes
C.
different styles of dressing
D.
different religions
【单选题】It stands to reason' in the third paragraph means
A.
Everyone finds it hard to believe
B.
It is obvious to everyone
C.
Everyone knows the reason
D.
Nobody believes it
【简答题】“It stands to reason” in the third paragraph means “________”. A) Everyone finds it hard to believe B) It is obvious to everyone C) Everyone knows the reason D) Nobody believes it
【单选题】Which of the following reasons is NOT mentioned in the third paragraph?
A.
Religious reason.
B.
Territorial reason.
C.
Economic mason.
D.
Cultural reason.
【简答题】弗洛伊德将人从精神功能上分为三部分,即 、自我及 。
【单选题】The third reason for the difference in clothing is______．
A.
different ways of making clothes
B.
different materials
C.
different types of dressing
D.
different religions
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