——Simon, what do I need to take for the hiking?——You'd better ________ more water than usual. It's hot today.
A:to take
B:take
C:taking
D:took
物质
分子式
熔点℃
沸点℃
密度(g/cm3)
溶解性
乙二醇
C2H6O2
﹣11.5
198
1.11
易溶于水和乙醇
丙三醇
C3H8O3
17.9
290
1.26
能跟水、酒精以任意比互溶
Thanks to the new policy, a new modern school in our village last year.