帕金森病的最常见症状是
A.肌张力增高
B.步态异常
C.运动迟缓
D.震颤
E.肌强直
参考答案:D
I would love ______ to the party last night but I had to work extra hours to finish a report.
A.to go
B.to have gone
C.going
D.having gone
接触网附近发生火灾使用砂土灭火时,是否可在不停电的情况下进行?