航空运输的运费收取标准为( )。
A．按M收取
B．按W收取
C．按W/M收取
D．按W/M or 收取
参考答案：C
—The boy shows _____ in model cars.
—I think he will be an engineer in the future. [ ]
A. interested
B. interesting
C. much interest
承租人依据房屋租赁合同享有的房屋( )受法律保护。
A．使用权
B．占有权
C．销售权
D．拍卖权
