GN-100型蓄电池电压低于()时应及时充电。
A、0.9V
B、1.0V
C、1.1V
D、1.2V
参考答案:C
When he woke up,he found himself _________in bed and ________by some children.
A.laying;surrounded
B.laid;surrounding
C.lying;surrounded
D.lied;surrounded
拿五经法是用五指分别拿住头部的哪几条经脉()
A.督脉
B.任脉
C.阳明经
D.太阳经
E.少阳经