第1个回答 2012-03-17
The sand is a kind of solid which has small and rough.
The sand is in small grains, they are loose and does not dissolve in water.本回答被提问者采纳
第2个回答 2012-03-17
The sand is a kind of solid body, it has thick and thin.It is a grain thing,inattentive and Insoluble.
第3个回答 2012-03-17
Sand is a kind of solid
Sand has thick and thin granules
(2) Sand is in grain state
(3) Sand is in loose status.
(4) Sand does not dissolve in water.
第4个回答 2012-03-17
The sand is a kind of solidA coarse and fine sand
(2) is a grain of sand
(3) the sand is loose
(4) the sand is insoluble in water.
第5个回答 2012-03-17
自己写吧 我们都是学生 还是要自己写 祝你学习 快乐