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【单选题】
根据内容回答题. Musical Chairs Do you know how to play a game called Musical Chairs" ? It is easy to play and most people enjoy it. All you need are some chairs, some people and some way of making music. You may use a piano or any other musical instrument, if someone can play it. You may use a tape recorder. You can even use a radio. Put the chairs in a row. The chairs may be put in twos, back to back. A better way is to have the chairs in one row with each chair facing in the opposite direction to the chair next to it. The game is easy. When the music starts ,the players walk round the chairs. Everyone goes in the same direction, of course, they should walk in time to the music. If the music is fast they should walk quickly. If the music is slow, they should walk slowly. The person playing music cannot see the people in the game. When the music stops, the play- ers try to sit on the chairs. If a person cannot find a chair to sit on, he drops out. Then, before the music starts again,one chair must be taken away. When the music stops again, one more player will be out. At last,there will be two players and one chair. The one who sits on the chair when the music stops is the winner. If ten people are playing musical chairs, you must begin with 查看材料
A.
nine chairs
B.
ten chairs
C.
eleven chairs
D.
one chair
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参考答案:
举一反三
【判断题】信道容量指的是指信道所能传输的最大平均信息速率。
A.
正确
B.
错误
【简答题】六、改错 rewite the following sentences correctly 1. 现在是四个点半。
【判断题】系统从状态1变化到状态2,若△T=0,则Q=0,无热量交换
A.
正确
B.
错误
【简答题】rewite the following sentences correctly wǒmen xiàwǔ xuéxí yígè xiǎoshí bàn yīngyǔ . 我们下午学习一个小时半英语。
【多选题】管理能力可以分为( ) A. 管理实务技能 B. 管理核心技能 C. 管理单项技能 D. 管理综合技能
A.
1
B.
2
C.
3
D.
4
【简答题】下列选项正确的是( ).A. 与外界物体有能量交换但没有物质交换的系统称为绝热系统。 B. 与外界物体既有能量交换又有物质交换的系统称为封闭系统。 C. 与外界物体既没有能量交换又没有物质交换的系统称为孤立系统。 D. 热力学研究的对象是单个的微观粒子。
【判断题】金属指示剂与金属离子生成的配合物的稳定性应比金属 EDTA 配合物的稳定性要差一些。
A.
正确
B.
错误
【单选题】信道容量指的是( )
A.
信道传输信息的最大能力
B.
信道所能传送的信号的频率宽度
C.
单位时间内整个网络能够处理的信息总量
D.
单位时间内信道传输的信息量
【简答题】信道带宽指的 ____________________________ ,信道容量指的是 ______________________ 。
【单选题】下列说法正确的是哪一项?
A.
根据热力学第一定律,因为能量不能无中生有,所以一个系统若要对外做功,则必须从外界吸收热量。
B.
因为△U=Qv,所以Qv是状态函数
C.
系统从状态(1)变化到状态(2),若△T=0,则Q=0,无热量交换。
D.
在盛水槽中放置一个盛水的封闭试管,加热盛水槽中的水,使其达到沸点,试管中的水不会沸腾。
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