方程 x−11+2x = 13 的解为_刷题宝

题干

方程 −

x

1

1

+

2

x

=

1

3

的解为（）

A：x=1

B：x=2

C：x=4

D：x=0

上一题下一题 0.0难度选择题更新时间:2019-06-01 11:56:38

答案(点此获取答案解析）

C

同类题1

秦岭﹣﹣淮河一线以北的主要植被类型是（　　）

同类题2

—________ will you ask for help when you get into trouble?

—My parents, I think.

同类题3

五四青年节前夕，某校七年级(2)班老师让几个同学负责组织一个班会，几位同学思忖了一下，回答说:“行，我们能行!”这种表现是(　　)

同类题4

下列叙述中，正确的是（）

同类题5

根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。A：Hello, Sean．
B：Hi, Peter． ____
A：No, I don't． ____
B：She's Tracy．She is my sister's friend．
A： ____
B：Yes, my sister always tells me her things (事情)．I even(甚至)know her eating habits．
A：Really? ____
B：She likes milk and eggs for breakfast．She likes vegetables for lunch and fruit for dinner．
A：I think she eats well．
B：Yes, and she always plays tennis. We must learn from(向……学习) her. ____
A：OK. Let's meet at 5：00．

A．Who is she?
B．What are they?
C．Do you know her?
D．Is the girl your sister's friend?
E．The girl's eating habits are very good．
F．What about playing tennis after school?
G．Do you know the girl in green in Class Four?

小学学科试题库

初中学科试题库

高中学科试题库