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【单选题】
L 波段雷达天线部分由 4 个直径 ( ) 米抛物面天线组成,由天线传动装置控制,作左右方位转动和上下俯仰转动。A.
0.6
B.
0.7
C.
0.8
D.
0.9
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举一反三
【单选题】What should we do in case of a fire?
A.
Get out of the house with the valuables.
B.
Water can be used to extinguish an electrical fire.
C.
If your clothes are on fire , run as fast as you can.
D.
If smoke, heat or flames block your exit routes, stay in the room with doors closed.
【单选题】This fire extinguisher is to be used only in case of ___________.
A.
urgency
B.
crisis
C.
immediacy
D.
emergency
【简答题】小学生类与大学生类 /** * 小学生 * @author lqy * */ public class SmallStudent { public String ; public void study() { System. out .println( " 学习小学课本 " ); } public String get() { return this . ; } } /** ...
【单选题】An emergency _______ is very important in case of fire.
A.
exit
B.
deposit
C.
discharge
D.
elaborate
【单选题】一项研究调查了学生类型(大学新生和老生)对于体育教学改革的态度。结果如表所示。那么，学生类型与对待体育教学改革的态度之间的相关系数(φ系数)是
A.
0．265
B.
0．304
C.
0．557
D.
0．530
【多选题】What will you say in case of fire?
A.
It’s on fire.
B.
This way to emmergency exit , please.
C.
Please cover your nose and mouth with wet towel.
D.
Please don’t take the lift.
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