计算机硬盘的硬件维护保养方法()。
A.硬盘在工作时,不应突然断电
B.解决高温、潮湿、强磁场的环境。
C.轻敲硬盘查故障
D.定期用水冲洗
E.硬盘要防尘埃
参考答案:A, B, E
In those days, he would go to Mr. Black and his family, __________.
A.where he was treated as part of them
B.for whom it was good
C.that was the most important part of his life
D.with whom he had a wonderful time
肥胖及单用饮食控制无效的轻型糖尿病患者最好选用()
A.二甲双胍
B.氯磺丙脲
C.正规胰岛素
D.格列本脲
E.罗格列酮