一、写一篇介绍我国科学家钱学森的英语短文？

Born in 1911 in Shanghai, is a three-year-old with his father to Beijing in 1934 and graduated from Shanghai Jiaotong University, one year after the United States to study, in 1955 and his family returned to China, then he is committed to research. He's in the new Chinese missile and nuclear weapons development have made outstanding contributions to obtain the "Father of the missile," the honorary title.

二、如何成为科学家的英语作文？

I want to be a scientist when I grow up. Maybe you may ask why. I think being a scientist is good for our country. I can invent many useful things to help people.

I can invent some medicine to treat the illness which can't be cured now. So from now on I must study harder and harder. I should read more books on science.

I must do well in every subject, esp math, physics, chemistry and English. If I don't know much English, I can't understand the books or magazines written in English. Then I don't know what is happening around the world.

三、四年级用英文介绍一位科学家？

Ernest Rutherford was a British physicist known as the father of nuclear physics. 

He is considered by academics to be the greatest experimental physicist since Michael Faraday.

Rutherford first proposed the concept of a radioactive half-life, demonstrating that radioactivity involves transmutation from one element to another.