某家电销售公司为销售的空调提供上门安装调试服务。本月销售额为30万元，收取的安装费为1万元。该公司应将安装费并入销售额，一并征收增值税。
参考答案：对
实证的呃逆治法有（）
A.温中散寒，降逆止呃
B.清胃泄热，降逆止呃
C.顺气解郁，和胃降逆
D.温补脾胃，和中降逆
E.养胃生津，降逆止呃
Jeff goes to work ________ and his wife goes to work ________. [ ]
A. by car, on bike
B. by a car, on a bike
C. by car, on her bike
D. by his car, in her bike
