问题
多项选择题
下列属于造成皮带划破原因的是（）
A、导料槽刮刀铁板、清扫器碰挂皮带；
B、托辊脱落或皮带跑偏严重，碰挂支架；
C、拉近滚筒或尾部滚筒扎入坚硬物；
D、犁煤器犁板磨损，碰挂皮带。
答案
参考答案：A, B, C, D
搜题请搜索小程序“爱下问搜题”
下列属于造成皮带划破原因的是（）
A、导料槽刮刀铁板、清扫器碰挂皮带；
B、托辊脱落或皮带跑偏严重，碰挂支架；
C、拉近滚筒或尾部滚筒扎入坚硬物；
D、犁煤器犁板磨损，碰挂皮带。
参考答案：A, B, C, D
| 完形填空。 Jim is an American boy. He likes l football matches, 2 he hasn't enough money to buy tickets. He has to watch the matches 3 TV at home when he has 4 homework. He must go to school from Monday to Friday, so he missed (错过)a lot of important matches. A big football match would be held in the afternoon the next day. 5 wanted to watch it very much. But he couldn't, he would have a physics test in 6 afternoon. ''Can we have a video, mom?" Jim asked his mother 7 he went to school. "Then from our TV set you can record (录制)the match for me." "I'm 8 we can't afford one," his mother said. The next morning Jim came home with a smile, 9 a new video. "But where did you get the money, Jim?" The woman asked in surprise. ''That's 10 mom. I've sold our TV set." | ||||
|