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【单选题】
图示桁架 c 杆的内力是:
A.
P/2
B.
-P/2
C.
0
D.
P
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皮皮学刷刷变学霸
举一反三
【单选题】Among Britain’s quality press, the following newspapers are regarded as the “Big Three” EXCEPT ______.
A.
The Times
B.
The Guardian
C.
The Observer
D.
The Daily Telegraph
【判断题】识别是指危险、有害因素和危险源的辨识。识别系统中存在的并可能发生意外释放的能量或危险物质,其实质是对“第二类危险源”的判别。( )
A.
正确
B.
错误
【单选题】壁纸应根据实际尺寸进行测量计算所需用量,并按所需长度()余量。
A.
每边放长20~30mm
B.
放长20~30mm
C.
放长15mm
D.
每边放长10~15mm
【单选题】星轮式排肥器的排肥稳定性变异系数的变化范围是()
A.
1%~10%
B.
12%~30%
C.
8%~27%
【判断题】变色硅胶烘干后呈蓝色,这是 CoCl 2 的颜色,吸水后的变色硅胶呈现红色,这是 CoCl 2 ·6H 2 O 的颜色。
A.
正确
B.
错误
【单选题】Britain's press is unusual ______ it is divided into two very different types of newspapers: the quality press and the popular press.
A.
in how
B.
in what
C.
in which
D.
in that
【单选题】危险、有害因素的识别是分辨、识别、分析确定系统内存在的危险,而并非研究防止事故发生或控制事故发生的实际 ( )。
A.
效果
B.
手段
C.
方法
D.
措施
【单选题】. Britain’s press is unusual in____it is divided into two very different types of newspaper : the equality press and the popular press.
A.
how
B.
what
C.
which
D.
that
【单选题】According to the passage, China's present achievement cannot be found in Britain press because ______.
A.
the public is not very interested in the world outside Britain
B.
British journalists refuse to report these achievements
C.
the British government forbids them to report
D.
the British press doesn't think the achievement in China is worthwhile to be reported
【单选题】关于测量体温,叙述错误的是()
A.
昏迷、小儿不宜测口腔温度
B.
病员不慎咬碎体温计,应立即口服大量牛奶
C.
如果口表温度与病情不符,应改测腋表
D.
口表测3分钟、腋表测10分钟、肛表测3分钟
E.
病员用过的体温计应浸泡于消毒液中
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