问题
单项选择题
在电动机绕线时没有铜导线，改用铝导线时，如要保持电阻值不变，则其（ ）。
A、槽满率较高，不易下线
B、槽满率较低，容易下线
C、槽满率不变，下线正常
D、槽满率不变，不易下线
答案
参考答案：A
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在电动机绕线时没有铜导线，改用铝导线时，如要保持电阻值不变，则其（ ）。
A、槽满率较高，不易下线
B、槽满率较低，容易下线
C、槽满率不变，下线正常
D、槽满率不变，不易下线
参考答案：A
| 阅读理解。 | ||||
| ||||
| 1. We can go to see the Taj pictures every day EXCEPT _____. | ||||
| A. Monday B. Tuesday C. Sunday | ||||
| 2. If eight students go to see the animals in the zoo on Sunday, they should pay _____. | ||||
| A. $ 35 B. $70 C. $105 | ||||
| 3. Children under _____ are not allowed to go to Bell Tower. | ||||
| A. 5 B. 7 C. 8 | ||||
| 4. On Saturday morning the film Harry Porter may end at _____. | ||||
| A. 10:00 B. 11:00 C. 11:30 | ||||
| 5. If Sam wants to see magic performances, he may go to _____ to enjoy them. | ||||
| A. City Art Museum B. the Grand Cinema C. African Safari Park |