问题
单项选择题
使用电动工具前，应（）
A.用水清洗，确保卫生，才可使用
B.看是否需要改装工具，提高效率
C.进行检查，确保机件正常
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
使用电动工具前，应（）
A.用水清洗，确保卫生，才可使用
B.看是否需要改装工具，提高效率
C.进行检查，确保机件正常
参考答案：C
| 阅读短文，用方框中所给单词的适当形式填空。方框中有一个单词是多余的。 | |
visit someone, the host will bring you a cup of good tea to show welcome. Americans love coffee and they like 2______, too. Not only Chinese, but also many people around the world like tea. The 3______ people to drink tea were Chinese. And people in Europe first learned to grow and drink tea 4______ a book in Italy in 1599. Fifty years later, the first ship of tea from China 5______ Holland. |