汽车音响的种类分为（）。
A.原装音响
B.高效音响
C.豪华音响
D.改装音响
参考答案：A, D
根据句意和首字母完成句子。
1. Let's go up the m______, I want to get the top first.
2. They can run very f______.
3. These animals are our f______.
4. We shouldn't w______ too much water.
5. Please turn off the light w______ leave the room.
个别计价法适用的企业有______。
A．房地产企业 B．重型设备企业C．零售企业 D．化妆品企业
