人教版新教材单元课文语法填空对比训练—Book4 unit4

Book3 Unit 4 原文探究(1) 练习重点：动词 “Are we alone? What’s out there?” 1._______(Look) up at the stars, people have always wanted to learn more about space, and scientists work hard to find answers. They make vehicles to carry brave people into space 2.____( find) out the secrets of the universe. They also really wish to discover other planets that 3.________( be) suitable enough to support life. Before the mid-20th century, most people felt 4._______(travel) into space was an impossible dream. However, some scientists were 5.______(determine) to help humans realise their dream to explore space. After many experiments, they succeeded in 6._______(make) rockets that could escape Earth’s gravity. On 4 October 1957, the Sputnik 1 satellite was lunched by the USSR and successfully 7.______(orbit) around Earth. Afterwards, the USSR focused on sending people into space, and on 12 April 1961, Yuri Gagarin became the first person in the world 8._____(go) into space. Over eight years later, on 20 Ju