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【单选题】
25℃时电池反应H 2 (g)+½O 2 (g)=H 2 O(l)对应的电池标准电动势为E 1 ,则反应2H 2 O(l)=2H 2 (g)+O 2 (g)所对应的电池的标准电动势E2是:()。
A.
E 2 =-2E 1
B.
E 2 =2E 1
C.
E 2 =-E 1
D.
E 2 =E 1
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B.
C.
D.
【单选题】Why is bay seating not included?
A.
It increases the size of a survival space.
B.
It aids in evacuation procedures.
C.
It allows more passengers to fit in car.
D.
It increases the risk of injury to passengers.
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促使子宫内膜由分泌期转为增殖期,用于避孕
B.
降低子宫对缩宫素的敏感性,用于安胎
C.
可抑制排卵,用于避孕
D.
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A.
正确
B.
错误
【单选题】在志为忧的脏腑是
A.
B.
C.
D.
【简答题】地形图矢量化中按定位方式(控制点)的类型可分为:( )点定位和( )点定位。
【单选题】对孕激素作用表述错误的是
A.
促使子宫内膜由分泌期转为增殖期,用于避孕
B.
降低子宫对缩宫素的敏感性,用于安胎
C.
可抑制排卵,用于避孕
D.
具有利尿作用
E.
使月经周期的黄体相基础体温升高
【单选题】在志为忧的脏腑是
A.
B.
C.
D.
【简答题】Why is bay seating not included?A. It increases the size of a survival space. B. It in evacuation procedures. C. It allows more passengers to fit in car. D. It increases the risk of injury to pas...
【单选题】Why does the author mention the Massachusetts Bay Colony?
A.
It was the headquarters of the United States Lighthouse Board.
B.
Many of the tallest lighthouses were built there.
C.
The first lantern wicks were developed there.
D.
The first lighthouse in North America was built there.
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