编辑: 于世美 2018-06-30

2、A 车和 B 车分别在甲乙两城同时出发,相向而行.2 个小时后相遇,然后继 续行驶了

1 个小时,这时候 A 车距离乙城

60 千米,B 车距离甲城为

75 千米, 求A车的速度? 【答案】 (1)算术方法 总路程:(60+75)*2=270(千米) A 的速度:(270-60)÷3=70(千米) (2)方程方法 解:设A车的速度为 A 千米/小时,B 车的速度为 B 千米/小时. 3A+60=3B+75=2A+2B A+60=2B B+75=2A 解得 A=70 答:A 车的速度是

70 千米/小时.

3、 一队工程队

120 人计划

50 天修完一段路,30 天后调走了

40 人,由剩下的 人完成.问现在完成的天数需要比原计划多多少天? 【答案】 1?120 ?

50 =

1 6000

30 ? 1?

50 ( )=

3 5 1-

3 5 =

2 5

2 5 ?

120 -

40 ( )?

1 6000 é ? ê ù ? ú =

2 5 ?

1 75 =

30 (天)

30 +

30 -

50 =

10 (天) 答:现在要

60 天才能完成,比原计划多

10 天.

4、 已知 2a+3b-5=105,问4a+6b+5=? 【答案】 2a+3b=110 4a+6b=220 4a+6b+5=225

5、一只狗用皮带系在底面边长为

14 分米的一个正方体狗窝的一个角上,皮带 长10 分米,狗在狗窝外面能活动的范围的面积是多少? 【答案】 10*10*π*0.75=235.5(平方分米) 答:活动范围的面积是 235.5 平方分米.

6、英语自我介绍 【参考答案】 Hello, everyone, it'

s my honor to stand here introducing myself. My name is xxx, from Class 2, Grade six, xxxx Primary School. I'

m doing well in my study, besides I'

m the monitor of my class and I get on well with my classmates. I'

m a happy and talented girl. I'

m good at drawing and many of my drawings have won prizes. I'

m interested in learning English very much, and I believe that I will do well in the future. I want to come to this school because this school is beautiful and the teachers are very great. I am sure I will make many friends and learn much knowledge in this school.

7、英语阅读理解

2 篇:

8、根据 Judy, difficult, library. 三个单词口头作一篇不少于

6 句话的作文. 【参考答案】 根据 Judy,difficult,library 这3个单词口头作一篇不少于

6 句话的作文. Judy is a primary school student. She is not good at Chinese writing(中文 作文). Because she thinks Chinese writing is very difficult. To write better, she goes to the library to find some books about writing. The books tell the readers how to write Chinese writing well. She learns the books very hard. Finally, she can write well. The story tell us, don'

t be afraid of the thing you are not good at. If you work hard on it, you will do better. ........

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