脱位治疗中，练功锻炼的关键是（）
A.尽早功能锻炼
B.越晚锻炼越好
C.低强度锻炼
D.高强度锻炼
E.中强度锻炼
参考答案：A
______除以3得20余2．
The basic unit of measure in a computer system is the ______. It is the smallest unit in computing. There are some other measures in a computer, such as Kilobyte, Megabyte, Gigabyte and so on.
A．Kilobyte
B．Bit
C．Gigabyte
D．Megabyte
