问题
问答题 简答题
辅助阴极的定义是？
答案
参考答案：
由外部电源提供强制保护电流用于构筑物阴极保护的电极。
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辅助阴极的定义是？
参考答案：
由外部电源提供强制保护电流用于构筑物阴极保护的电极。
| 阅读理解。 |
| American children like K Day very much. March 7th is the day. K is short for kites. On that day, many children go out to play with their friends or parents. They take their kites with them and fly kites in the open air. Some kites are very big, and some kites are small. They're in different colors. Some are red, and some are black. But every kite has a long string. |
| 1. The children ______ like K Day a lot. |
[ ] |
| A. in Canada B. in America C. in UK D. in Japan |
| 2. K Day is in ______. |
[ ] |
| A. spring B. summer C. autumn D. winter |
| 3. On K Day, American children can ______ kites in the open air. |
[ ] |
| A. buy B. make C. fly D. take |
| 4. The kites aren't in the ______ color. |
[ ] |
| A. red B. black C. same D. different |
| 5. Every kite has ______. |
[ ] |
| A. a short string B. a long string C. a red string D. a white string |