10÷(10+100),
=10÷110,
=111;
答:盐占盐水的111.
故选:D.
There are many cars coming up and down. If you insist on standing there, you will risk _________ down on the ground.
A.knocking
B.to knock
C.being knocked
D.knocked
下列变化中,属于物理变化的是
A.蜡烛燃烧
B.牛奶变酸
C.水结冰
D.食物腐败