【多选题】电池的端电压是指电池两端之间的电压称为端电压,下列说法正确的是()。
A.
蓄电池不与外电路接通时,即蓄电池开路时的端电压就等于蓄电池的电动势
B.
蓄电池与外电路接通时,即蓄电池开路时的端电压就等于蓄电池的电动势
C.
当电池与外电路接通时,电路内便有电流通过,此时由于蓄电池内电阻产生电压降,所以端电压下降,小于电池电动势
【单选题】What does the woman say about the two bedroom apartment?
A.
It' s rather expensive.
B.
It' s too small for the man.
C.
It has plenty of tight.
D.
It doesn' t have many closets.
【判断题】马克思主义中国化的实质是马克思主义基本原理同中国具体实际相结合( )
【判断题】数据库管理系统是基于某种数据模型的,因此数据模型是数据库系统的核心和基础。
【单选题】What does the woman mean?
A.
She has to see the movie.
C.
She doesn't want to see the movie.