—Would you like to go fishing with me?
—I don't feel like it. I would rather _______ at home and have a sleep.
A:stay
B:to stay
C:staying
D:stayed
如图所示,是A、B两质点从同一地点运动的s﹣t图象,则下列说法正确的是( )
若将稀硫酸换为浓盐酸,实验中C装置增加的质量会偏大,请说明理由____ 。