问题
判断题
在低压配电装置上带电工作时，应要特别小心，防止相间短路及接地短路。
答案
参考答案：错
搜题请搜索小程序“爱下问搜题”
在低压配电装置上带电工作时，应要特别小心，防止相间短路及接地短路。
参考答案：错
| 根据短文大意选择方框内的单词并用其正确形式填空，使补全后的短文意思通顺，语法正确，结构完整。 | |
wood and other products. Trees provide food not only for man, but also for animals. 2 trees, many animals could not live on the earth. It’s not 3 for man to live on the earth, either. The other important way is that trees give us shade (树荫) .On a hot summer day, people are eager to have a rest under the shade of a tree after 4 along way. You can imagine how important the shade of a tree is to 5 man and animals from being exposured to the sun’s rays. |