不属于蓄电池自行放电的原因是()。
A.蓄电池外部导线有短路处
B.隔板损坏
C.极板活性物脱落
D.极板硫化
参考答案:D
At present, one of the apartments in favor of the new airport ________ that it will going a lot jobs to the area.
A.is
B.are
C.will be
D.were
恶性组织细胞病()。
A.紫癜伴发热
B.紫癜伴黄疸
C.紫癜伴肝脾淋巴结肿大
D.紫癜伴休克
E.双下肢对称性紫癜伴荨麻疹