甲油烘干机的仪器使用完毕时,()。
A.应同时切断电源关闭开关
B.应先切断电源,后关闭开关
C.应先关闭开关,后切断电源
D.可以继续通电
参考答案:C
新生隐球菌最常见引起的疾病是()
A.癣病
B.皮肤、粘膜感染
C.脓毒血症
D.脑膜炎
E.以上都不是
— ____
— It's ten o'clock.
[ ]
A. What's that in Beijing?
B. What's the time in Beijing?
C. What's it in Beijing?
D. Where is Beijing?