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【判断题】
在容器内作业时,氧乙炔焊割炬要随人进出,不得任意放在容器内。
A.
正确
B.
错误
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【单选题】病人吸氧浓度为41%,氧流量应调节为:
A.
4L/min
B.
5L/min
C.
6L/min
D.
7L/min
E.
8L/min
【简答题】You bought a food product with a distinct brand name but found it had serious quality problem. Write a letter to the manufacturer to 1) complain about the poor quality, 2) express your criticism and a...
【判断题】拆接地线时应先拆接地端,后拆导线端。
A.
正确
B.
错误
【单选题】在空间直角坐标系下,方程2x^2+3y^2=6表示的图形为( )
A.
椭圆
B.
柱面
C.
旋转抛物面
D.
球面
【单选题】In Para. 1, the phrase "set my feet" probably means___________.
A.
put me aside
B.
start my journey
C.
prepare me
D.
let me walk
【单选题】In the _____of her son comment she reconsidered the scene at the mosque.
A.
light
B.
view
C.
opinion
D.
condition
【判断题】接地线的装设顺序,安装时,先接接地端,后接导线端;拆接地线时,应该先拆导线端,再拆接地端。
A.
正确
B.
错误
【判断题】拆除接地线时应先拆导线端,后拆接地端。
A.
正确
B.
错误
【简答题】Part B For this part, you are required to write a composition on the topic of 'Housing Problem.' You should write no less than 120 words, and you should base your composition on the outline below: (1)...
【简答题】拆接地线时应先拆接地端,后拆导线端。
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