按装放映机氙灯时,如氙灯沾上手汗、油、灰尘应如何处理()。
A.用酒精擦
B.用水擦
C.用汽油擦
D.用干布擦
参考答案:A
Michael really has a gift ______ playing the piano so his teacher decided to make a pianist of him.
A.on
B.about
C.into
D.for
不属于制作小簸箕的常用材料是()。