1.电路的构造特征
所谓的电路,一般是指由电源、负载、导线、开关所构成的电流的通路,其中电源是提供电能的装置,正常工作的电源将其他形式的能转化为电能提供给电路;负载是消耗电能的装置,正常的工作的负载将从电源处获得的电能转化为其他形式的能;导线是输送电能的装置,正常工作时电源处提供的电能是通过导线以电流的形式输送到负载处供负载消耗的;开关则是为了控制电路的工作状态而设置的。
第二节 书面表达(满分25分)
假设你叫李华,你校高三同学正在开展一场讨论,讨论的主题是:高三学生要不要参加体育锻炼?请你根据下面所提供的信息,给某英文报社写一封信,介绍讨论情况。
|
55%的学生认为 |
45%的学生认为 |
|
1.应该每天进行体育锻炼 2.可以做早操、打乒乓球、打篮球,但不要时间太长 3.锻炼能增强体质,减少疾病 4.运动使大脑休息,使复习效果更好 |
1.锻炼浪费时间 2.锻炼使人疲劳 3.运动以后很兴奋,较长时间不能复习功课 4.运动中可能会受伤 |
注意:1.信的开头已为你写好。
2.词数100左右。
Dear Editor,
I’m writing to tell you about a discussion we’ve had about whether students of Senior 3 should take physical exercise....
长泰一中2009-2010第一学期期中考试
35. --It's a lovely day, isn't it
--Yes. I love ____ when the weather is like this. Why don't we sit outside and have our lunch
A. this B. that C. it D. one
34. Do you know ____art in the 18th century played____ more important part in people’s lives than it does today
A. an; the B.不填; a C. the; a D. the; the
33. The price of oil has been going up this year, and this ____ causes the price of the goods connected with it to go up too.
A. in case B. in turn C. after all D. once again
32. . --Do remember to take this medicine three times a day with warm boiled water.
--____.
A. Heard it B. Made it C. Got it D. Taken it
31. The local authority is trying to________ oversea investment by beautifying its environment.
A. value B. encourage C. introduce D. affect
30. The girl left home after a quarrel with her mother _____ afterwards.
A. never returning B. never returned
C. never to return D. never was to return
29. There is only one dress of this kind left here, I wonder if you still want to buy 。
A. it B. one C. some D. any
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