SLE患者血液和骨髓狼疮细胞阳性率约为:()
A.50%
B.60%
C.80%
D.90%
E.100%
参考答案:B
---Can I join your club, dad?
---You can when you _______ a bit older.
A.are getting
B.will get
C.get
D.will have got
电子式电能表已开始走进千家万户,如图所示为某电子式电能表的表盘(局部)。若某用电器单独接在该电能表上,用电器正常工作10min,指示灯闪烁了320次,则10min内该用电器消耗的电能为_________ kW·h,该用电器的额定功率是_________ W。