__________ name is Jenny.[ ]
A. She
B. He
C. Her
答案:C
一只苹果的质量为140g、体积为1.8×10-4m3,用手将其浸没在水中时,苹果受到的浮力为______N(g取10N/kg),松手后苹果将______(选填“上浮”、“下沉”或“悬浮”).船闸是______在实际中的具体运用,它能让大型轮船在上下游之间顺利往返航行.
8732电池容量为多少毫安?()
A.1700mAh
B.3000mAh
C.1800mAh
D.2500mAh