问题
单项选择题
用于工业生产过程和设备保养、维护过程中使用的洗涤剂属于（）
A.工业洗涤剂
B.设备洗涤剂
C.配方洗涤剂
D.民用洗涤剂
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
用于工业生产过程和设备保养、维护过程中使用的洗涤剂属于（）
A.工业洗涤剂
B.设备洗涤剂
C.配方洗涤剂
D.民用洗涤剂
参考答案：A
| 阅读理解。 | ||||||
Welcome to our school. You can do a lot of things here. Come and join us.
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| 1. You may have a chance to introduce your inventions on ______. | ||||||
| A. Sunday B. Monday C. Wednesday | ||||||
| 2. The person who teaches Computer Science is from______. | ||||||
| A. Canada B. Australia C. America | ||||||
| 3. You may learn something about a disease called TB from ______. | ||||||
| A. Dr. West B. Mr. Morison C. Mrs. Green | ||||||
| 4. If you want to learn something about satellites(人造卫星), you can go to the class from______. | ||||||
| A. 8:30 to 11:30 on Sunday B. 19:00 to 21:00 on Monday C. 19:30 to 21:00 on Wednesday | ||||||
| 5.When you want to learn computer, you can ask __for help. | ||||||
| A. Dr. West B. Mr. Morison C. Dr. Lucy | ||||||