问题 计算题

如图所示,飞机距离地面高H=500m,水平飞行速度为v1=100m/s,追击一辆速度为v2=20m/s同向行驶的汽车,欲使投弹击中汽车,炸弹投出后做平抛运动,则飞机应在距汽车水平距离多远处投弹?(g=10m/s2

答案

△x=800m

填空题
写作题

读写任务。

     阅读下面的短文,然后按要求写一篇150词左右的英语短文。

     On a cold November afternoon, my mother and I were walking home from a pizza store. I was feeling a

little tired as I was carrying our shopping bags of snacks. They were so heavy that I decided to throw away

some things. So I started to walk to the garbage can while I noticed that a poor man was holding a paper bag

with his dirty hand. He headed over to another nearby garbage can and started looking for something.

     I suddenly felt very guilty because I was going to throw away a new drink just because it was heavy. I

walked up to him and handed the drink and some snacks over to him. The man looked up in surprise and took

what I gave him.

     With a big smile on his face, he said, "Wow! You are the first person to give me some sandwiches and

drink, and some tasty food. This is my son's lucky day."

     With that, he thanked me happily. There was a warm feeling inside me and I knew I had done something

good. I now understand what the real meaning of "Giving is Getting" is.

【写作内容】

     以约30词概括短文内容;

     以约120词就“Giving is Getting”这个主题发表看法并包括以下内容:

     如今很多人仅关心自己而很少关注别人;

     你对“Giving is Getting”的理解;

     用具体事例加以说明。

【写作要求】

     作文中可以使用自己的亲身经历或虚构的故事,也可以参照阅读材料的内容,但不得直接原文抄

袭。

     ____________________________________________________________________________________

_______________________________________________________________________________________

_______________________________________________________________________________________