单项选择。
— Whose hat is it?
— It's ____. [ ]
A. he's
B. his
C. his's
D. he
答案:B
Do you have _______to say about your show?[ ]
A. else anything
B. else something
C. anything else
D. something else
如图所示,两个完全相同的容器分别盛有甲乙液体放在桌面上,将一个由某种材料制成的实心球放入甲液体中,小球漂浮在液面上;若把它放入乙液体中,小球沉入杯底.甲乙容器最终液面相平,则下列判断不正确的是
A.该材料的密度小于甲液体的密度
B.该材料的密度大于乙液体的密度
C.球在甲液体中受的浮力小于它在乙液体中受的浮力
D.甲液体对容器底的压强大于乙液体对容器底的压强