糖水是溶液，原因是 [ ]
A、由两种物质组成的
B、食盐水是透明的液体
C、食盐水的熔点小于0℃
D、蔗糖分子均匀分散在水分子中
答案：D
—Don't _____, my children, keep working on and you will be successful.
—Thank you, Mr. Wang. We'll try our best. [ ]
A. put up
B. pick up
C. grow up
D. give up
轻度近视指
A．-3.00D以下B．-3.00D～-6.00DC．-6.00D以上D．-6.00D～10.00DE．-10.00D以上
