问题 选择题

由欧姆定律推导出R=U/I,下列说法中正确的是[ ]

A.一段导体的电阻在通过它的电流不变时,阻值与它两端的电压成正比

B.一段导体的电阻在它两端电压不变时,阻值与通过它的电流成反比

C.一段导体的电阻与它两端的电压成正比,与通过它的电流成反比

D.一段导体的电阻,等于它两端的电压与通过它的电流的比值

答案

答案:D

问答题 简答题
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Tired of Working in Your Country"!

With over 500 instructors and 20 years of experience, we are the leader in the field of teaching foreign languages. We now have positions open in Osaka starting September/October 2004 for instructors of English, German, Spanish and French.

• Teach many different kinds of classes using the latest technology in small classes of up to 3 students.

•Accommodation (住宿), and other necessary documents (文件) will be ready before you leave.

• Applicants will teach their first language only.

• Excellent teacher training programs.

If you are young with a university degree and are willing to experience different cultures, apply (申请) now. Experience in teaching is an advantage but not specially required. Knowledge of the Japanese language is not necessary but good English skills and practical computer knowledge are basic requirements.

Apply with C. V. and send letters to:

NOVA France, Mr. Sampy (IHT3/2)

34, Bd. Haussmann, 75009 Paris, France

Fax: 33148014804

Or visit our website: www.teadyp.com

The manager expects to meet and talk with successful applicants in Paris in June and July.

56. What is the purpose of the text?

A. To introduce a language school in Japan.

B. To hire language teachers to work in Japan.

C. To describe working conditions in Japan.

D. To make clear the requirements for Japanese teachers.

57. We know from the text that those who are going to Japan will _______.

A. teach English only in Osaka                 B. receive a degree from a university

C. have free accommodation                   D. get trained for the job

58. Before going to Japan, you need _______.

A. to see the manager of NOVA France    B. to take some computer courses

C. to write a letter to Japan                    D. to find a place to live

59. If you want to work in Japan you should _______.

A. have some working experience         B. know how to use computers

C. present good teaching plans           D. speak several languages