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【简答题】
Time spent in a bookshop can be most enjoyable, whether you are a book-lover or only there to buy a book as a present. You may even have entered the shop just to find a shelter from a sudden shower. Whatever the reason, you can soon totally unaware of your surroundings. You soon become interested in some books or others, and usually it is only much later that you realize you have spent too much time there and have to rush off to keep some forgotten appointment. This chance to escape the realities of everyday life is the main attraction of a bookshop. A music shop is very much like a bookshop. You can walk around such a place to your heart's content. If it is a good shop, no assistant will come up to you with the greeting 'Can I help you?' You needn't buy anything you don't want. In a booksho p an assistant should remain in the background until you have finished reading. Then, and only then, are his services necessary. Once a medical student had to read a textbook which was far too expensive for him to buy. He couldn't borrow it from the library and the only copy h e could find was in a certain bookshop. Every afternoon, therefore, he would go along to the shop and read a little of the book at a time. One day, however, he was disappointed to find the book missing from his usual place. He was about to leave, when he noticed the owner of the shop beckoning to him. Expecting to be told off, he went towards him. To his surprise, the owner pointed to the book which was tucked away in a corner. 'I put it there in case anyone tries to buy it !'He said, and left the delighted student continuing his reading. 小题1:According to the passage the main attraction of a bookshop is that ________. A.people can learn something from books B.it can be a shelter from a sudden rain C.it is the surrounding of new knowledge D.it offers a chance to get free from realities 小题2:The writer thinks that the assistant in a good bookshop should ________. A.always greet customers pleasantly and warmly B.help the readers to find what they want to read C.not say a word to the customers while they read D.not stand behind the bookshelf all the time 小题3:The underlined word 'beckoning' in the last paragraph means ________. A.waving somebody to come up B.laughing at a person openly C.shouting at somebody angrily D.shaking one's head to show disagreement 小题4:The purpose of the writer in writing the third paragraph is to ________. A.tell us a story that happened in a bookshop B.support his idea of what a good bookshop is like C.teach us how to read in a shop without buying books D.advise us to help other people whenever we can
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【简答题】完成商务网页制作。提交解图和源文件。 项目二 任务一.rar
【简答题】人类 掌握世界的 活动 主要有三种:物质实践、科学认识和价值判断,相应地主客体之间形成了 三种关系:( 1 ) ( 2 )和( 3 ) 。 文学艺术主客体关系是一 种( 4 )关系;文学艺术主客体关系的心理特征是( 5 );文学艺术主客体关系的思维特征是( 6 )。
【单选题】欲使接触器KM1动作后接触器KM2才能动作,需要
A.
在KM1的线圈回路中串入KM2的常开触点
B.
在KM1的线圈回路中串入KM2的常闭触点
C.
.在KM2的线圈回路中串入KM1的常开触点
D.
KM2的线圈回路中串入KM1的常闭触点
【简答题】电动机顺序控制的接线规律是:要求接触器 KM1 动作后接触器 KM2 才能动作,应将接触器 KM1 的常开辅助触头__________ 接触器 KM2 的线圈电路中:要求接触器 KM1 动作后接触器 KM2 不能动作,应将接触器 KM1 的__________ 串接于接触器 KM2 的线圈线路中。
【判断题】电动机顺序控制的接线规律是:要求接触器KM1动作后接触器KM2才能动作,应将接触器KM1的常开触头串接于接触器KM2的线圈电路中;要求接触器KM1动作后接触器KM2不能动作,应将接触器KM1的常闭辅助触头串接于接触器KM2的线圈线路中。( )
A.
正确
B.
错误
【单选题】接触器 KM1 动作后接触器 KM2 才能动作,需要 。
A.
在 KM1 的线圈回路中串入 KM2 的常开触点
B.
在 KM1 的线圈回路中串入 KM2 的常闭触点
C.
在 KM2 的线圈回路中串入 KM1 的常开触点
D.
在 KM2 的线圈回路中串入 KM1 的常闭触点
【单选题】圆管恒定均匀层流流动,已知断面平均流速为0.8 m/s,则管轴线上流速为 ( ).
A.
0.6 m/s
B.
3.2 m/s
C.
0.4 m/s
D.
1.6 m/s
【多选题】在进出口业务中,非固定价格的规定方法主要有( ):
A.
只规定作价的方式而具体价格留待以后确定
B.
暂定价
C.
部分固定价格,部分非固定价格
D.
支付一定的订金,余款后付
【简答题】电动机顺序控制的接线规律是:要求接触器 KM1 动作后接触器 KM2 才能动作,应将接触器 KM1 的常开辅助触头__________ 接触器 KM2 的线圈电路中:要求接触器 KM1 动作后接触器 KM2 不能动作,应将接触器 KM1 的__________ 串接于接触器 KM2 的线圈线路中。
【简答题】电动机顺序控制的接线规律是:要求接触器KM1动作后接触器KM2才能动作,应将接触器KM1的常开触头 接触器KM2的线圈电路中:要求接触器KM1动作后接触器KM2不能动作,应将接触器KM1的 串接于接触器KM2的线圈线路中。
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