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问题 多项选择题

干式消弧线圈出厂验收标准卡中规定，电压互感器试验的验收标准包括（）。

A.容量与额定值的相对偏差应在-5%～10%之间

B.绝缘电阻不小于1000MΩ

C.电压比偏差不超过±1%

D.励磁特性符合制造厂技术规定

答案

参考答案：B, C, D

阅读理解


SCHOOL REPORT
Form Teacher: G. Baker            Pupil’s Name:  Simon Watkins
Term:        Summer 2005            Form:        Ⅳ B
Subject
Exam
Class work
Comments
English
59
61
Simon has reached a satisfactory standard but now needs to apply himself with more determination.
Mathematics
77
85
Sound work and progress throughout the year. Well done!
History
46
53
A disappointing exam result. He is unable to give attention to this subject for long.
Chemistry
78
85
His obvious ability in the subject was not fully reflected in his exam work ,but I have high hopes for him nevertheless.
Physics
86
94
An excellent term’s performance. He goes from strength to strength. A born scientist, I feel.
Biology
57
60
This time next year he will be taking the “0” exam. He needs to concentrate on the work, not on class conversation.
French
41
46
Clearly he didn’t bother to revise. His general attitude is far too casual.
Physical
Education
/
31
Weak. It’s time he exercised his body more and his voice less. He should try to work with a team.
FORM TEA CHER’S REMARKS                  HEADMASTER
Basically  satisfactory  work  and  progress        I shall be keeping an eye on his
though he will now have realized, I hope, that         progress in his weaker subjects
in certain subject areas he needs to make speedy        though his success in the sciences is
improvement.                                   most pleasing.
小题1:According to the comments of the Physical Education teacher, Simon   .
A．is too talkative in the class
B．likes to work with his classmates
C．doesn’t exercise his body at the fight time
D．becomes weak because he doesn’t exercise at all
小题2:Which of Simon’s subjects will attract the headmaster’s attention in future?
A．Biology and Maths.B．History and French.
C．English and Chemistry.D．Physics and Physical Education.
小题3:Which of the following statements best describes Simon?
A．He has made great progress in language classes.
B．His potential has been fully reflected in science classes.
C．His grade in maths makes him a born scientist.
D．He needs to improve his attitude on certain subjects.
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判断题

青皮有抗休克作用。
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