问题
解答题
某电视机厂生产4800台电视机，其中合格产品4608台，求电视机的合格率和废品率？
答案
合格率：
×100%=96%，4608 4800
废品率：1-96%=4%；
答：电视机的合格率是96%，废品率是4%．
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某电视机厂生产4800台电视机，其中合格产品4608台，求电视机的合格率和废品率？
合格率：
×100%=96%，4608 4800
废品率：1-96%=4%；
答：电视机的合格率是96%，废品率是4%．
| 阅读短文，选择正确答案。 | |
Reece said to his wife, " Let's go to the city next Sunday. We can have a good lunch there, and then we'll go to the cinema." His wife was very happy when she heard this, because she and her husband (丈夫) always ate a lot. She didn't like cooking three times a day. They went to the city by train the next Sunday. They walked about for an hour. When it was twelve o'clock, they wanted to have a meal. They looked at some restaurants. Out of one of them was a notice (布告), " Lunch 12: 30 to 2: 30, 1.5 dollars." " Well, that's good," said Mr Reece, " We can eat for two hours for 1.5 dollars here. That's too cheap. This is the place for us." | |
| 1. Mr Reece usually worked in ______________. | |
[ ] | |
| A. the fields B. the city C. the restaurant D. the theater | |
| 2. Mr Reece and his wife went to the city ____________. | |
[ ] | |
| A. to have a good lunch B. to see a film C. to do some shopping D. both A and B, maybe C | |
| 3. When did Mr and Mrs Reece arrive in the city? | |
[ ] | |
| A. At about 11: 00. B. At about 12: 00. C. At about 12: 30. D. At about 2: 30. | |
| 4. We can see that Mr Reece ____________. | |
[ ] | |
| A. was poor B. was rich C. understood the notice D. didn't understand the notice | |
| 5. Why did Mr Reece say that restaurant was the place for them? | |
[ ] | |
| A. Because that was the best restaurant. B. Because 12: 30 to 2: 30 was the best time for lunch. C. Because he thought they could eat a lot and it was cheap. D. Because they were very tired and hungry. |