问题的三个基本成分( )。

问题的三个基本成分( )。A.起始状态 B.中间状态 C.目标状态 D.存在的限制或障碍 E.答案

查看答案

下列哪项属于真正的创造( )。

下列哪项属于真正的创造( )。A.鲁班发明锯子 B.高斯少年时做数字1~100的连加 C.找到远古时期的化石 D.陶渊明发现桃花渊

查看答案

Toslow down eye damage.people with diabetes should try to

Toslow down eye damage.people with diabetes should try toA.use as many medicatio

查看答案

The water in this part of the river has been contaminated by

The water in this part of the river has been contaminated by sewage(污水).A.pollut

查看答案