问题 问答题

镇江的小星利用假日到上海看望奶奶,他来镇江火车站看到列车运行时刻表的一部分如下表所示,他比较了特快T131和动车组“和谐号”D413的运行时间后,决定乘坐动车组“和谐号”前往上海.

往上海方向(里程:237km)
车次到达时间(镇江)开车时间(镇江)终点站(上海)
T13109:4309:4512:31
D41310:0410:0611:53
从上表列车时刻表可知,从镇江到上海,动车组“和谐号”D413比特快T131少运行多少时间?计算动车组“和谐号”D413从镇江到上海的运行过程中的平均速度是多少米/秒?(计算结果保留整数)

答案

(1)T131从9:45到12:31,运行时间t1=166min,

D413从10:06到11:53,运行时间t2=107min,

少运行时间t=t1-t2=166min-107min=59min.

(2)D413运行时间t2=107min=6420s

平均速度v2=

s
t2
=
237000m
6420s
≈37m/s.

答:动车组“和谐号”D413比特快T131少运行59min.

动车组“和谐号”D413从镇江到上海的运行过程中的平均速度为37m/s.

阅读理解

What is your favorite English letter? Many of you may say Q. Why? Because so many of you chat with your friends on QQ. What do you like about QQ? What do you talk about? The CCTV reporter, Miss Wang, interviews three kids. Let’s listen to what they say.

When do you chat on QQ with friends? What do you talk about?

Lin Yuhan, Xi’an:On weekends. We talk about homework and chat with each other.

Tang Xuting, Shanghai:At weekends and when I don't have much homework, We exchange test answers and chat.

Yang Yuhan, Dalian:Our class goes online together at 4pm-6pm on weekends. We complain about homework, chat and talk about computer games.

What do you put on your QQ blog(博客)?

Lin: I put good articles I have found online on my blog. I also write articles myself. They are about funny things that have happened in my class.

Tang: I put pictures on my blog. Not my own photos, but pictures from my favorite Japanese cartoons like Tennis Prince and Conan.

Yang: I put DV films on my blog. I shoot(拍摄)them during sports meetings and school parties. The most popular one is about a dancing teacher. It is so funny that everyone watches it.

How do you like QQ?

Lin: It’s a good space for us to make a record of our lives, of both good times and sad times.

Tang: My friends and I may not have time to chat at school. But we can do it on QQ. It's very helpful to our friendships.

Yang: If you chat with friends on the telephone, your parents sometimes listen in on your conversation. There’s no such problem with QQ. You can relax and talk freely.

小题1:Who comes from Shanghai?

A.Miss Wang

B.Lin Yuhan

C.Yang Yuhang

D.Tang Xuting小题2:What does Yang Yuhang talk about on QQ on weekends?

①homework     ②chat     ③test answers   ④computer games

A.①②

B.②③

C.①②④

D.②③④小题3:Which of the following is true about Lin Yuhan?

A.She talks about homework and chats with friends on weekdays.

B.She puts some good articles on her QQ blog.

C.She puts DV films on her blog.

D.She puts some good pictures on her QQ blog.小题4:Which one is TRUE according to this article?

A.Lin says QQ is very helpful to their friendships.

B.Yang says he can chat freely with many friends and relax on QQ.

C.Tang says QQ is a good space for them to make a record of their lives.

D.Tang says he chats on QQ on weekdays though he has lots of homework

填空题