简述退出障碍。

题型:问答题 简答题

问题:

简述退出障碍。

考点:管理学企业战略管理企业战略管理题库
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犬心丝虫病最合适的诊断方法是()

A.漂浮法检查粪中虫卵

B.漂浮法检查尿中虫卵

C.沉淀法检查尿中虫卵

D.粪便培养法检查幼虫

E.检查外周血液中微丝蚴

题型:问答题 简答题

I was in my third year of teaching creative writing at a high school in New York, when one of my students, 15-year-old Mikey, gave me a note from his mother. It explained his absence from class the day before.

I had seen Mikey himself writing the note at his desk. Most parental-excuse notes I received were penned by my students. If I were to deal with them, I’d be busy 24 hours a day.

The forged excuse notes made a large pile, with writing that ranged from imaginative to crazy. The writers of those notes didn’t realize that honest excuse notes were usually dull: “Peter was late because the alarm clock didn’t go off.”

Isn’t it remarkable, I thought, how the students complained and said it was hard putting 200 words together on any subject? But when they produced excuse notes, they were brilliant.

So one day I typed out a dozen excuse notes and gave them to my classes. I said, “They’re supposed to be written by parents, but actually they are not. True, Mikey?” The students looked at me nervously.

“Now, this will be the first class to study the art of the excuse note --- the first class, ever, to practice writing them. You’re so lucky to have a teacher like me who has taken your best writing and turned it into a subject worthy of study. ”

Everyone smiled as I went on, “You used your imaginations. So try more now. Today I’d like you to write ‘An Excuse Note from Adam to God’ or ‘An Excuse Note from Eve to God’.” Heads went down. Pens raced across paper. For the first time ever I saw students so careful in their writing that they had to be asked to go to lunch by their friends.

The next day everyone had excuse notes. Heated discussions followed. The headmaster entered the classroom and walked up and down, looking at papers, and then said, “I’d like you to see me in my office.”

When I stepped into his office, he came to shake my hand and said, “I just want to tell you that that lesson, that task, whatever the hell you were doing, was great. Those kids were writing on the college level. Thank you. ”

小题1:What did the author do with the students found dishonest?

A.He reported them to the headmaster.

B.He lectured them hard on honesty.

C.He had them take notes before lunch.

D.He helped improve their writing skills.小题2:The author found that compared with the true excuse notes, the produced ones by the students were usually__________.

A.less impressive

B.more imaginative

C.worse written

D.less convincing小题3:The author had the students practice writing excuse notes so that the students could learn_________.

A.the importance of being honest

B.how to write excuse notes skillfully

C.the pleasure of creative writing

D.how to be creative in writing小题4:The underlined word “forged” in the second paragraph means “______”.

A.former

B.copied

C.false

D.honest小题5:What did the headmaster think of the author’s way of teaching?

A.Effective.

B.Difficult

C.Misleading.

D.Reasonable

题型:问答题 简答题

某水泵配套的异步电动机安装在经常有人值班的机房内,需自起动运行,生产过程中没有过负荷的可能性。电动机额定电压为交流6000V、额定容量为460kW、额定电流 54.5A,起动电流为额定电流的5.6倍,在电网最小运行方式下电动机端:三相短路时,流过保护的最小三相短路电流为9160A,电流互感器变比为60/5,保护继电器采用接于两相电流差的DL-11/140型电流继电器,故障的相对灵敏系数为0.5。

验算电流速断保护装置灵敏系数为(),()要求。

A.8.8、符合

B.8.8、不符合

C.1.5、符合

D.1.5、不符合

题型:问答题 简答题

()是指,当陶瓷砖四个角中的三个角在一个平面上时,其中心点偏离此平面的距离。

A.弯曲度

B.翘曲度

C.中心弯曲度

D.边直角

题型:问答题 简答题

机组正常运行中,汽缸喷水在()状态。

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