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【单选题】
将装有50 mL NO 2 、NO混合气体的量筒倒立于水槽中,反应后气体体积缩小为30 mL,则原混合气体中 NO 2 和NO的体积比是 [     ]
A.
5:3
B.
3:5
C.
3:2
D.
2:3
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举一反三
【单选题】( )是世界上最早的音律计算方法。
A.
五度相生律
B.
三分损益法
C.
十二平均律
D.
同宫系统
【单选题】There is still _____ who said he was _____ to reach the top of the mountain besides these two people. [     ]
A.
a third one; the first
B.
the third one; the first
C.
the third one; first
D.
a third one; first
【单选题】当肌力为2级时增强肌力训练应选用____。( )
A.
被动运动
B.
助力运动
C.
主动运动
D.
抗阻运动
【单选题】世界上最早以法律形式确定的金融监管制度是:
A.
《国民货币法》
B.
《泡沫法案》
C.
《格拉斯-斯蒂格尔法案》
D.
《金融服务现代化法案》
【简答题】液压传动中最重要的参数是()和(),前者代表(),后者代表(),而二者的乘积则是()。
【单选题】Who are the two people on the sign?
A.
Two lovers
B.
a pickpocket and a woman
【简答题】()是世界上最早的音律计算方法
【单选题】听力原文: The Red Cross is an international organization which cares for the people who are in need of help. A man in a Paris hospital who needs blood, a woman in Mexico who was injured in an earthquake, ...
A.
Red Cross workers are in many countries.
B.
Red Cross only exists in the United States.
C.
Red Cross is another name for world hospital.
D.
Many people who are in need work in Red Cross.
【判断题】环境消毒是控制医院感染最简单、有效、方便、经济的方法。( )
A.
正确
B.
错误
【单选题】Which of the following is implied in the passage?
A.
People usually trust those who are close to them.
B.
People will usually get revenge or ridicule for their trust.
C.
If trust has been established, it will never disappear.
D.
The negative response may result in the diminishing of trusting between persons.
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