问题
单项选择题
VE喂料机堆料槽的（）组光电传感器被烟丝遮盖时，陡角输送机会停止，以防止烟丝过满。
A.6
B.7
C.8
D.9
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
VE喂料机堆料槽的（）组光电传感器被烟丝遮盖时，陡角输送机会停止，以防止烟丝过满。
A.6
B.7
C.8
D.9
参考答案：D
| 用下列短语的适当形式填空。 | |
2. Tom studied late at night pass the exam. 3. I believe people could travel in space . 4. Who said we couldn't play with toys when we ? 5. The math problem is very difficult, so she fails to the right answer. 6. This planet is 303,297,200 kilometres, and we can't see it with our eyes. 7. Remembering these words is hard, but it . 8. The carriage (马车) is used in most cities nowadays. 9. A new film will be on tomorrow morning, and Jack was thinking about it this afternoon. 10. In 2008, you will see people gather in Beijing to join the Olympic Games. |