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【简答题】
Nowadays, because of the fast spreading of AIDS, everyone is in (dangerous) . 2. The storm caused great (damage) __________ to the village. 3. You will soon become get (use) __________ to the weather here. 4. On the other (hand)________, she is an honest person. 5. What you said wounded her (proud) _______. 6. I (lend) ______ him $20000 for a year. 7. Their eyes (focus)________ on the teacher. 8. People often make (complain) . 9. We are all (concern)__________ about her future. 10. Mary had made up her mind to go and what I said to her didn't make any (different) ______. 11. I (not like) to disturb you, because you're quite tired with working hard today. 12. What I (see) was two men crossing the street. 13. The fisherman, being poor, (can not ) buy another boat. 14. I (spend) half an hour working on this difficult math problem. 15. All man (die) , but death can vary in its significance. 16. He at last (appear) in the party. 17. Unless I'm mistaken, I (see) that man before. 18. The fisherman, being poor, (can not ) buy another boat. 19. We (use) plastics in place of wood and metal now. 20. Her suggestion that everybody sing a song (be not appreciate) .
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举一反三
【单选题】有功功率与视在功率之比称为()。
A.
功率因数
B.
功率比率
C.
无功功率
【判断题】在电路中,有功功率与视在功率之比称为功率因数。
A.
正确
B.
错误
【单选题】【C6】
A.
advocate
B.
import
C.
yield
D.
breed
【判断题】有功功率P与视在功率S之比,称为功率因数。
A.
正确
B.
错误
【判断题】从5 000张凭证中抽取500张凭证审查,则抽样间隔数为5。(     )
A.
正确
B.
错误
【判断题】在电路中,有功功率与视在功率之比称为功率因数。 ( )
A.
正确
B.
错误
【判断题】视在功率与有功功率之比称为功率因数。()
A.
正确
B.
错误
【判断题】有功功率与视在功率之比称为功率因数。
A.
正确
B.
错误
【判断题】入射式侧光表也称度测光表
A.
正确
B.
错误
【简答题】A.reign B.alter C.chock D.breed