A．impreciseB．conciseC．unpolishedD．elementaryThe Constit……

单项选择题Human facial expressions differ from those of animals in the degree to which they can be deliberately controlled and modified.

单项选择题The expedition reached the summit at 10:30 that morning.

单项选择题Gambling is lawful in Nevada.

单项选择题Charges for local telephone calls are outrageous.

单项选择题Many of their ideas are being incorporated into orthodox medical treatment.