题目:
机电维修岗位电工,在挂接地线时应该注意哪些问题?
答案:
参考答案:
挂接地线由2人进行,1人监护、1人操作。挂接地线时应戴绝缘手套。
挂接地线须先将接地线的接地端和接地网连接,接触要良好,设备经检验无电后,方可将接地线的另一端和生产需设的导电部位相连接。
接地线应装在工作人员容易见到的部位,接地线和带电部分应保持规定的安全距离。
工作间断时,必须把未拆接地线逐班交接清楚。
机电维修岗位电工,在挂接地线时应该注意哪些问题?
参考答案:
挂接地线由2人进行,1人监护、1人操作。挂接地线时应戴绝缘手套。
挂接地线须先将接地线的接地端和接地网连接,接触要良好,设备经检验无电后,方可将接地线的另一端和生产需设的导电部位相连接。
接地线应装在工作人员容易见到的部位,接地线和带电部分应保持规定的安全距离。
工作间断时,必须把未拆接地线逐班交接清楚。
采用汇兑结算方式的,汇款回单可以作为该笔汇款已转入收款人账户的证明。()
根据下表,回答。某私营企业出口的DVD的成本与利润表 (单位:美元)
从上表看,企业增加利润应主要依靠 [ ]
A、出口转内销
B、购买外国专利技术
C、自主创新
D、改善经营管理,降低制造成本
Thomson中学学生Mike, Joseph, Anna, Ian 和Susan 正在计划各自下学期的选修课程。 阅读第1至第5
题中的个人情况说明和A到F六门课程介绍,选出符合个人个性特长的最佳选项。选项中有一项是多
余选项。
( )1. Mike spent his childhood mostly in his father's study, where he read novels by British and American
writers. Next term he will become a senior student. He thinks it's time that he read more of their works and
learned to write about them.
( )2. Joseph is good at the language arts, and in his spare time he likes to write short stories. It is his wish
that his stories would be printed in local newspapers. So he is thinking of taking a course to develop his writing
skills such as wording and paragraph organization.
( )3. A lively and caring girl, Anna takes an active part in social activities. She is trying to write reports for
newspapers about what she sees and hears. But few of them are accepted because of poor organization of
information. She feels the need to improve her writing and communication skills next term.
( )4. Jan traveled worldwide with his parents when he was very young. Under their influence, he becomes
greatly interested in stories of travel and adventure. He hopes to write his own stories in the future. So next
term, he will choose a course to study the best writing of this type.
( )5. Susan comes from China. As a junior back home, she wrote quite a lot of short stories, some of which
were published in newspapers. Her parents hoped she read some classics by Asian and Western writers. She
thinks it helpful in her writing. So she is going to take a course of this kind next term.
A. Creative Writing
-by Mrs. A. McClellan
Creative writing is a course in which we study and apply the methods used in various forms of fiction
writing. Writing is a skill of art in itself. We are guided by Ezra Pound's opinion: “Make it new. ” Creative
writing does not only provide us with an opportunity to express ourselves, but also holds our attention to
word choice, paragraph development, and other skills useful in writing.
B. Journalism
-by Dr. E. Brandt
Journalism is a course for serious, in which we will cover how to gather, write, and report the news. We
will discuss how information is, or can be, organized. This course also aims to develop communication skills
required of journalists.
C. American & British Classics
-by Dr. E. Walter
A classic is a literary work that has stood the test of time. Generations of readers have learned to classics
to discover that which is over-lasting. Through both the works themselves and the people they mirror, we may
better be able to see ourselves. In this course, we will read works in both British and American literature (文学).
We will write reviews of what we read.
D. Technical Writing
-by Mr. J. Allen
What is technical writing? It is the course devoted to improving your communication skills in, for, and
through technology. Activities for this course will help you develop communication skills that are necessary
for writers and speakers working with technology or in business.
E. Non-fiction
-by Dr. M. Yimm
The course is a study of non-fiction through reading many different topics of non-fiction. The course will
also be about the possible changes in journalistic reporting and the sharing of personal stories of various people
on various topics such as travel and adventure. We will examine some of the best writing in the world and deal
with the techniques used in this text type
F. World Literature
-by Mrs. A. McClellan
World Literature examines the common people found in quality literature worldwide, from Europe to Americ
a, from Asia to Africa, and introduces a variety of cultural background at different points in history. In these
worlds, we find not only what is unique to each culture, but what is universal. We are also able to tell what
makes for a good story, no matter from where or whom the story springs.
小柴胡汤中用量最重的药是()
A.黄芩
B.柴胡
C.人参
D.半夏
E.甘草
什么的固定资产?其条件和特点是什么?