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【判断题】
大量腐蚀性危险品发生泄漏时,可视泄漏物的酸碱或稀酸中和。在用水扫刷腐蚀性危险品泄漏现场时,应使用高压水射流冲刷,防止腐蚀性残留。A.
正确
B.
错误
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举一反三
【简答题】He was so tired that he fell asleep while he was reading the
paper.
【单选题】The parole board denied Whites parole because
A.
he wrote threatening letters while he was in jail.
B.
he was sentenced two life sentences for his crimes.
C.
the Hall family held a campaign to keep him in prison.
D.
they believe that his release will be a threat to the society.
【简答题】你认为应如何帮助家长提高孩子的人际关系智能?
【简答题】Watch the movie clip and write down the missing words. 20200312_115447.mp4 本片段剧情:莫琳陪伯蒂来到莱诺的语言诊所接受治疗。莱诺看出伯蒂并不十分配合,想引导伯蒂说出导致自己口吃的心理因素。但伯蒂认为这是自己的隐私。莱诺坚持以双方平等的身份开展治疗,伯蒂对此也很不理解。最终两人不欢而散。 Words Catching 1. ...
【简答题】People usually r ( 放松 ) themselves by travelling to different places.
【多选题】某男 ,28 岁 , 咽痒咳嗽声重,气急,咯痰稀薄色白 3 天 , 伴鼻塞、流清涕,头痛,四肢酸楚,恶寒发热,无汗等。舌苔薄白,脉浮。选用下列何方治疗 ( )
A.
小青龙汤
B.
三拗汤
C.
桑菊饮
D.
止嗽散
【单选题】While he was in college he _______ a special philosophy of life that has helped him succeed in many different situations.
A.
learned
B.
invented
C.
developed
D.
overcome
【简答题】如图所示，重为100N的物体A在水平拉力F的作用下，沿水平面以0.4m/s的速度作匀速直线运动，弹簧测力计的示数为5N（滑轮、绳子、弹簧测力计的重力及绳子与滑轮间的摩擦均不计）。则此时物体A受到的摩擦力为_____N；若物体A匀速运动2s，则拉力F做功为_______J，拉力F的功率为________W。
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