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【简答题】
1) Ellish is responsible for dealing with the press, television and radio, as well as communications with the public and personnel in their UK dealerships. 2) Sometimes we have problems with the mixer during production. If computers get the mix wrong, we have to clean out the whole mixer. 3) This week we have been busy with our accountants preparing the results that will be included in our next report. 4) I’m a member of a team of engineers and recently we’re looking for new ideas and experimenting with new products. 5) Our company is going through a difficult period and we have had to reduce the number of employees in several departments and to review salaries throughout the organization. 6) Lan does chemical analysis to check things like fat levels and other information that they have to put on the packets in the factory. 7) Our department must decide in which regions the new mobile will be most successful and what type of customers we want to reach. 8) We have to keep records of prices and order office supplies. 9) A customer makes a complaint. The company employee takes all the details, apologizes and promises to take action. 10) We would like to use TV commercials to publicize our product because they can reach millions of people although they are very expensive.
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【单选题】右图所示装置可用于测定空气中氧气的含量,实验前在集气瓶内加入少量水,并做上记号。下列说法中不正确的是(   )
A.
实验时红磷一定要过量
B.
实验前一定要检查装置的气密性
C.
该实验证明氧气体积约占空气总体积的1/5
D.
红磷燃烧产生大量的白雾,火焰熄灭后立刻打开弹簧夹
【简答题】My classmates are cleverer than I.英译汉
【单选题】家庭生产理论认为,家庭效用的直接来源是
A.
闲暇时间
B.
通过市场工作获得的工资收入
C.
用工资收入购买的产品或服务
D.
物品与时间结合生产的家庭物品
【简答题】British society is considered to be divided into three main groups of classes-the upper class,the middle class.and the lower or working class.This is known as the class system and it is important to k...
【简答题】利用CPMlA PLC设计一个开30s,关20s,开30s,关20s的脉冲信号输出程序(输出继电器为01000),分别画出梯形图,写出STL指令。假设有一个电磁阀,该阀门的工作状态由一个按钮控制,按钮状态通过输入继电器00000接入PLC。当控制按钮为关的时候(继电器00000为“0”),要求电磁阀为关状态;当控制按钮为开的时候(继电器00000为“1”),要求电磁阀以开30s,关20s,开30s...
【单选题】家庭生产理论认为,家庭效用的直接来源是( )。
A.
闲暇时间
B.
通过市场工作获得的工资收入
C.
用工资收入购买的产品或服务
D.
产品或服务与家庭时问相结合生产出来的家庭物品
【单选题】右图所示装置可用于测定空气中氧气的含量,实验前在集气瓶内加入少量水,并做上记号。下列说法中不正确的是 ( )。
A.
该实验证明空气中氧气的体积含量约为1/5
B.
实验时红磷一定要过量
C.
实验前一定要检验装置的气密性
D.
红磷燃烧产生大量的白雾,火焰熄灭后立刻打开弹簧夹
【单选题】右图所示装置可用于测定空气中氧气的含量。实验前在集气瓶内加入少量水,并做上记号。下列有关该实验的说法中,正确的是
A.
红磷熄灭后应立刻打开弹簧夹
B.
点燃红磷前先用弹簧夹夹紧乳胶管
C.
最终瓶中剩余的气体是纯净的氮气
D.
实验时,取用极少量红磷,既减少污染又不影响实验结果
【判断题】道德行为是衡量体育道德品质的重要标志。
A.
正确
B.
错误
【单选题】右图所示装置可用于测定空气中氧气的含量,实验前在集气瓶内加入少量水,并做上记号。下列有关该实验的说法中,正确的是
A.
弹簧夹没夹紧不会对实验结果产生影响
B.
燃烧匙内盛放过量的红磷会导致实验结果偏大
C.
没等装置冷却就打开弹簧夹会导致实验结果偏大
D.
点燃红磷伸入瓶中时,没有立即塞紧瓶塞会导致实验结果偏大
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