下列哪些涂装方法中属于按被涂物材质分类的方法()。
A、汽车涂装
B、木工涂装
C、装饰性涂装
D、电器涂装
参考答案:B
The happy ________ of children playing in the garden disappeared, and it was quiet again.
A.scene
B.scenery
C.sight
D.view
征婚启事属于找寻类启事。