单项选择题
A、图1 B、图2 C、图3 D、图2和图3
单项选择题 A、图1 B、图2 C、图3 D、图2和图3
淘宝店铺保证金暂不支持自动续费，且不要求每年必须缴纳。（ ）A．对 B．错
单项选择题淘宝店铺保证金暂不支持自动续费，且不要求每年必须缴纳。（ ）
The tympanic membrane receives sound waves and vibrates...
判断题The tympanic membrane receives sound waves and vibrates. The three bones compose of the auditory ossicles work at the same time to transmit sound waves to the inner ear.
