问题 填空题

光敏电阻在各种自动化装置中有很多应用,其中就可用于街道路灯的自动控制开关.如图所示为模拟电路,其中A为光敏电阻,B为电磁继电器,C为照明电路,D为路灯.请连成正确的电路,达到日出灯熄,日落灯亮的效果.

答案

为了使照明电路白天断开,就需要电磁铁吸引衔铁,电路中电流大.夜间电磁铁磁性小,不吸引衔铁.电路中电流的变化要通过电阻的变化来控制.所以要将光敏电阻与电磁铁串联在一起,以此来调节电路中的电流.故设计电路如图:

单项选择题 A1/A2型题
阅读理解

阅读理解

     As the global financial crisis hits the economy, it's tough finding a job-especially if you're competing with thousands of other hopeful students. Sometimes you get the interview, but don't quite seem to land the job because you don't have related experience. Don't despair! Here are a few tips that might give you an edge.

     ★Get connected to your network and try to expand it. Talk to friends, family and acquaintances. Let

everyone know you are looking for a job.

     ★Prepare your resume (个人简历) carefully and be sure it's perfect. Have someone else read it over

for typos (打字错误) and grammatical errors. Get professional help. It's worth the money to present yourself well. If money is tight, read books on resume writing from your public library or search for free help on

the Internet.

     ★When you apply for a job, be sure you match and list any skills listed on the posting with the skills

you have. If you get an interview, be sure to describe those skills thoroughly. Just having the skills is not

enough. Expressing your abilities well can make all the difference in getting the job.

     ★Research typical interview questions and practice interviewing. Be well prepared for every interview.

     ★Don't be afraid to accept a position for which you are overqualified-if there's room for

advancements. Many great job advancements come from first doing well at an entrylevel position. If you

have the right skills and attitude, it won't be long before you're in the job you want.

     ★Volunteer for a few weeks in your field of study to gain experience if you feel your resume needs an

improvement.

     ★When deciding what to wear for an interview, think about the position level and the dress code of the organization.

     ★Use every tool available to you. For example, this site has many job links for your use.

     Good luck!

1. Which of the following is NOT mentioned as a reason for the failing to find a job?

A. The global financial crisis.

B. The serious competence.

C. Your lack in related skills.

D. Your lack in related experience.

2. What's the author's advice on the resume?

A. To read it over several times by yourself.

B. To get professional help even if it costs.

C. To copy something from books.

D. To publish it on the Internet.

3. If you lack related experience you can________.

A. make up some in your resume

B. read books to get secondhanded one

C. do some related voluntary work

D. get some training at schools

4. Which of the following statements on interviews is RIGHT?

A. Have a few questions ready to ask the interviewer.

B. Describe clearly your ability to the interviewer.

C. Refuse the interviewer's offer of another position.

D. Wear new clothes for the interview.

5.The purpose of the text is to________.

A. show how to prepare for an interview

B. wish people good luck

C. encourage people not to despair

D. give advice on how to find a job