双滚筒传动的带式输送机上的清扫装置，若清扫不干净将会导致（）
A.胶带磨损
B.胶带撕裂
C.胶带损坏
D.胶带跑偏
参考答案：A, C, D
词汇。
1. Jackie Chan is a great_______ (act). His new movie Speed is a very_______ (success) action movie.
2. She likes_______ (comedy) but she doesn't like_______ (documentary).
3. -Do you like_______ (play) sports?
-Yes,I_______ (play) volleyball every day.
4. I_______ (not like) tennis. Let's_______ (go)to the zoo.
5. Katrina Pedrosa is a_______ (run) star and she eats a lot of_______ (health) food.
治痰热蒙蔽心窍之癫痫发狂及痰厥等证（）
A．黄柏配苍术
B．橘皮配半夏
C．郁金配白矾
D．磁石配朱砂
E．白及配乌贼骨
