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【单选题】
某职业学校学生放学途中发现有六个手持凶器的歹徒正在抢劫一名中年妇女,你认为应该采取最佳的行为是()
A.
挺身而出,与歹毒作斗争
B.
喊几个同学一起与歹徒作斗争
C.
即使拨打110报警电话
D.
记住歹徒的体貌特征,便于警方抓住歹徒
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举一反三
【单选题】After the school sports, our headmaster ______ the prizes.
A.
gave away
B.
gave in
C.
gave off
D.
gave up
【单选题】The police __________ searching for the missing child. [     ]
A.
gave up
B.
gave in
C.
gave off
D.
gave away
【单选题】Your body language _____ your real emotion.
A.
gave in
B.
gave up
C.
gave away
D.
gave out
【单选题】生物膜的功能主要决定于( )。
A.
膜的结合水
B.
糖类
C.
膜脂
D.
膜蛋白
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。不变
A.
变大
B.
变小
C.
不变
D.
变化
【单选题】Why is the woman glad that the saw the man?
A.
She wants to meet his professor.
B.
She wants to ask for his advice.
C.
She enjoys talking about scientific things.
D.
She wants to thank the man.
【判断题】降低电源电压调速前后机械特性的斜率不变,硬度较高,负载变化时,速度稳定性好。
A.
正确
B.
错误
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。
A.
变大
B.
变小
C.
不变
D.
变化
【单选题】What does the woman mean?
A.
She wants the man to buy it.
B.
She wants to buy it.
C.
She doesn't want to buy it.
【单选题】When he opened the box, it ____________ a bad smell.
A.
gave away
B.
gave in
C.
gave out
D.
gave up
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