YB25包装机的内衬纸供给系统主要将内衬纸剪切割成单张并输送到()。
A.一号轮
B.二号轮
C.三号轮
D.包装位置
参考答案:D
To make our city more beautiful, rubbish ________ into the river. [ ]
A. needn't be thrown
B. mustn't be thrown
C.can't throw
D. may not throw
《韩熙载夜宴图》是()的作品。