【高中英语】新人教版第二册-Unit-4-课文挖空

1、新人教版第二册Unit 4SPACE： THE FINAL FRONTIER“Are we alone? Whats out there?”(仰望)the stars, people have always wanted to learn more about space, scientists work hard to find answers. They make(vehicle)(carry) brave people space to findout the secrets of the universe. They also really wish to discover other

2、 planets aresuitable enough(support) life.Before the mid-20th century, most people felt(travel) into space was an impossible dream., some scientists(决定)help humans realise their dream(explore) space. After many experiments, they succeeded making rockets could escape Earths gravity.4 October1957, the

3、 Sputnik 1 satellite(launch) by the USSR and (success) orbited around Earth. Afterwards, the USSR(专注于)sending people into space, and on 12 April 1961, Yuri Gagarin became the first person in the world (go) into space.eight years later, on 20 July 1969, American astronaut Neil Armstrong stepped onto

4、the moon, famously(say), “Thats one small step aman, one giant leap for mankind.(Follow) this, many more goals (achieve). For example, Americas NASA space agency launchedVoyager 1 on 5 September 1977 to study deep space, and still transmits data today,scientists try to make sure nothing goes wrong a

5、ccidents can still happen.All the astronauts on the USSRs Soyuz 11 and Americas Challenger died their missions.These disasters made everyone sad and(disappoint), but(的渴望)explore the universe never died. This is people believe inthe importance of carrying on space(explore)the huge risks.example of th

6、is ongoing work is the International Space Station. It orbits Earth and has astronauts from different countries on board, (provide) a continuous human(present) in space.Chinas space programme started later than(that) of Russia and the US, but it(取得了 巨大的进展)in a short time. China became the third coun

7、try in the world(send) independently humans into space in 2003,Yang Liwei successfully orbited Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and 7 completed second manned orbit and first Chinesespacewalk, (follow) by the vehicle Jade Rabbit( send) to the moon to study its surface. After that,

8、China launched the Tiangong 2 space lab into space and Tianzhoul to dock with. This(signal) one step(far) in Chinas plan to establish a space station in the future.(最近), China has sent Change 4 to explore the surface of the far side of the moon(进行测量和观测).The future of space exploration(仍然是光明 的).Europ

9、e, the US, and China all have plans to further study and explore planets Mars and Jupiter,the difficulties, scientists hope future discoveries will not only(able) us to understand the universe began, but also help us survive well the future.IS EXPLORING SPACE A WASTE OF TIME AND MONEY?Countries arou

10、nd the globe(spend) billions of dollars and lots of time various space missions, to Mars other planets muchfurther away. Some people argue we should stop(waste) time andmoney exploring space.， we should feed the worlds poor and find immediate solutions other problems, such as pollution and(fate) dis

11、eases.， others feel this is a shallow view fails(realise) howexploring space helps us.Firstly, exploring space has already(发挥了 作用)in the fight world hunger. It has directly(导致)the many satellitesnow orbit Earth. A number of the satellites record data on land and weather(pattern). Then the data(trans

12、mit) to scientists on Earth.After careful(analyse), the scientists can provide useful(recommend) and advice for farmers. As a result, space-based science has helped farming(努力做)grow enough food to feed Earths(increase) population.Secondly, space exploration has already promoted technological(improve

13、) that benefit us all.(高端产品)around the world are made a higher standard now because of advanced technology wasfirst created to(满足的需要)space exploration. For example, space technologies(help) the research and development of different types of new material. They have also helped companies make better h

14、eart monitors and other machines doctors regularly use. Today, space technologies are(wide)used in all kinds of industries, and everyday products such as GPS, memory foam pillows, and smartphone cameras(change) our lives.Finally, (send) astronauts into space has helped people to think theworlds problems and even(find) ways to solve them. Seeing pictures of our planet an island in a black sea made people realise that our planefs resources are(limit).(为了供养如此迅速增长 的人 口)， scientists are trying to find other planets could one day be our new home.The greatest attention(目前)is on Mars because i