(4分)如图所示是一个热水供应系统示意图.当水温低于500C和接触器被水淹没时,

题型:填空题

问题:

(4分)如图所示是一个热水供应系统示意图.当水温低于500C和接触器被水淹没时,会触动继电器(虚线框内)接通开关使电热器开始加热.图中粗线框表示的是       门(选填“或”“与”或“非”),如果希望水温低于600C和接触器被水淹没时,电热器开始加热,则滑动变阻器的阻值应调      .(选填“大”或“小”)

考点:逻辑电路
题型:填空题
下面是一篇应用文及其应用场合的信息。请阅读下列应用文和相关信息,并按照要求匹配信息。首先,请阅读下列应用文:
A. Needed: Full time secretary position available. Applicants should have at least 2 years experience and be able to type 60 words a minute. No computer skills required. Apply in person at United Business Ltd., 17 Browning Street.
B. Are you looking for a part-time job? We require 3 part-time shop assistants to work during the evening. No experience required. Applicants should be between 18 and 20. Call 366-76564 for more information.
C. Computer trained secretaries: Do you have experience working with computers? Would you like a full time position working in an exciting new company? If your answer is yes, give us a call at 457-896754.
D. Teacher needed: Tommy’s Kindergarten needs 2 teachers/trainers to help with classes from 9 a.m. to 3 p.m.. Applicants should have appropriate licenses. For more information visit Tommy’s Kindergarten in Leicester Square No. 56.
E. Part-time work available: We are looking for retired adults who would like to work part time at the weekends. Responsibilities include answering the telephone and giving customers information. For more information contact us by calling 345-674132.
F. University position open: The University of Cumberland is looking for 4 teaching assistants to help with homework correction. Applicants should have a degree in one of the following: Political Science, Religion, Economics or History. Please contact the University of Cumberland for more information.
请阅读以下职位申请者的信息,然后匹配申请者和他/她拟要申请的职位:
Jack Anderson. Jack graduated from the University of Trent with a degree in Economics two years ago. He would like an academic position.
Margaret Lillian. Margaret is 19 years old and would like a part-time position to help her pay her university expenses. She can only work in the evenings.
Alice Fingelhamm. Alice was trained as a secretary and has six years of experience. She is an excellent typist but does not know how to use a computer. She is looking for a full time position.
Peter Florian. Peter went to business school and studied computer and secretarial skills. He is looking for his first job and would like a full time position.
Lynne Negata. Lynne, aged 65, once worked in a kindergarten. She is now a housewife, helping her daughter with her housework on weekdays. She is looking for a part-time job.
申请者
申请职位
小题1:Jack Anderson
小题2:Margaret Lillian
小题3:Alice Fingelhamm
小题4:Peter Florian  
小题5:Lynne Negata
A.full time secretary
B.part-time shop assistan
C.computer trained secretary
D.kindergarten teacher
E. part-time job at the weekend
F. university teaching assistant
题型:填空题

骨质软化症的原因是()

A.甲状旁腺功能减退

B.维生素D缺乏

C.磷酸盐缺乏

D.高磷血症

E.低钙血症

题型:填空题

以下关于性连锁鱼鳞病的描述错误的是()。

A.系性连锁隐性遗传

B.此病仅见于女性

C.皮损以四肢伸侧、躯干下部为重

D.不随年龄而改善

E.本病的基因在X染色体上

题型:填空题

成本函数

题型:填空题

咳嗽频剧,咳痰不爽,痰黏稠,常伴有鼻流黄涕,口渴,头痛,恶风,身热,舌苔薄黄,脉浮数。其治法是

A.清热肃肺,润燥止咳
B.宜肺清热,平肝化痰
C.清热化痰,滋阴润肺
D.肃肺化瘀,化瘀通络
E.疏风清热,肃肺化痰

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