方程的解是{"A":"\u6709\u4e00\u4e2a\u89e3x=\uff0b3","B":"\u6709\u65e0\u6570\u4e2a\u89e3","C":"\u6ca1\u6709\u89e_刷题宝

题干

方程

的解是（　　）

A：有一个解x=＋3

B：有无数个解

C：没有解　　　　　　　

D：当时，

上一题下一题 0.0难度选择题更新时间:2012-07-04 06:14:17

答案(点此获取答案解析）

D

同类题1

（+6.2）﹣（+4.6）﹣（﹣3.6）﹣（﹣2.8）

同类题2

地球是人类共同的家园．以下措施不属于水资源浪费或污染的是（　　）

同类题3

1971年联合国教科文组织制定了“人与生物圈”的研究计划，其目的是（　　）

同类题4

选出下列划线字的不正确的读音

似乎____

A.shì B.sì

主干____

A.gān B.gàn

应接不暇____

A.yìng B.yīng

同类题5

请阅读下列5小题的电视节目内容说明和A-E五个节目名称，把它们分别配对。

① When you need help with your homework, go to the library. You may find magazines, newspapers, and big dictionaries there. They can always help you. ____	A. Money isn't Everything.
② For families with children, an important problem is to get the children away from TV and let them do their homework. ____	B. American Films
③ Even if you could buy the world, you couldn't buy a happy family, good friends, or knowledge. ____	C. Farms in the future
④ The Lost World is an exciting American film. People, especially school students, may like it. ____	D. Study Tools
⑤ People will grow plants and vegetables in the sea in about 50 years. ____	E. Parents Trouble

小学学科试题库

初中学科试题库

高中学科试题库