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【简答题】
如图用一复式 U 形压差计测定水管 A 、 B 两点压强差。指示液为汞,其间充满水。今测得 h 1 =1.20m, h 2 = 0.30m, h 3 = 1.30m , h 4 = 0.25m , A 、 B 两点的压差△ P 为______ N·m - 2 。
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举一反三
【单选题】Which event directly provoked the American Revolution?
A.
The France-Britain War
B.
New taxes imposed by Britain on the colonies
C.
The Boston Tea Party incident
D.
No representation of the colonies in the British Parliament
【单选题】急性下壁心肌梗死的特征性心电图改变出现于
A.
V1、v2、v3导联
B.
v3、v4、v5导联
C.
v5、v6导联
D.
Ⅱ、Ⅲ、aVF导联
E.
I、Ⅱ、aVL导联
【单选题】Which event directly provoked the American Revolution?
A.
No representation of the colonies in the British Parliament
B.
The Boston Tea Party incident
C.
New taxes imposed by Britain on the colonies
D.
The France-Britain War
【判断题】In the event of a major tube failure of fire tube boiler, high-pressure water can be forced directly into the furnace area, rapidly creating large quantities of steam, which have the potential for ...
A.
正确
B.
错误
【单选题】有下面代码:  int  a1=10,b1=12; b1+=a1;则b1的值为(   )
A.
12
B.
10
C.
13
D.
22
【单选题】执行下列语句后,a的值为( ). int a=12, b=7; m(int a,int b) { a=b; } main() { m(a,b); }
A.
0
B.
1
C.
12
D.
7
【单选题】代码块如下: int a1=10,b1=12; b1+=a1;则b1的值为( )
A.
12
B.
10
C.
22
D.
13
【简答题】作为一名专业证券经纪人应该具备哪些素质条件?
【判断题】染料敏化太阳电池比硅基太阳电池的光电转化效率要高。
A.
正确
B.
错误
【单选题】Which real-life event is almost directly represented in the novel?
A.
The Banana Massacre of 1928
B.
The Venezuelan coup d’état of 1958
C.
The Thousand Days' War
D.
The bogotazo
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