首页
登录
职称英语
People have dreamed of traveling in space for thousands of years. But it was
People have dreamed of traveling in space for thousands of years. But it was
游客
2024-05-14
51
管理
问题
People have dreamed of traveling in space for thousands of years. But it was not until 1957 that it became a (36)______. On October 4, 1957 Russia (37)______ the first man-made satellite into space, It was called Sputnik I.
On April 12, 1961 the Russian (38)______ Yuri Gagarin became the first man to orbit the Earth. The first spacewoman in the world was Valentina Tereshkova. She made 48 (39)______ in 1963 in her Vostok 6. On July 20,1969 the American (40)______ Neil Armstrong became the first man to set foot on the Moon. In 1986 the Russian space station Mir was launched.
Scientists are already at work on the (41)______ Space Station, a "city of space". It will be the size of a football field and will (42)______ over 200 tons. A team of 10—15 spacemen will (43)______ be able to live and work at the International Space Station in 2005.
The next step will be the first moon base. 20 or 30 scientists will live inside a dome with an artificial atmosphere.(44)____________. It also means that they will be able to grow food.
(45)____________. Scientists say that the planet once had water on its surface. If that water is now frozen underground, humans will be able to use it someday. By the end of the 21st century, scientists hope, (46)____________.
[br]
People have dreamed of traveling in space for thousands of years. But it was not until 1957 that it became a reality. On October 4, 1957 Russia launched the first man-made satellite into space. It was called Sputnik I.
On April 12, 1961 the Russian cosmonaut Yuri Gagarin became the first man to orbit the Earth. The first spacewoman in the world was Valentina Tereshkova. She made 48 orbits in 1963 in her Vostok 6. On July 20, 1969 the American astronaut Neil Armstrong became the first man to set foot on the Moon. In 1986 the Russian space station Mir was launched.
Scientists are already at work on the International Space Station, a "city of space". It will be the size of a football field and will weigh over 200 tons. A team of 10-15 spacemen will probably be able to live and work at the International Space Station in 2005.
The next step will be the first moon base. 20 or 30 scientists will live inside a dome with an artificial atmosphere. This will make it possible for them to live and work without spacesuits. It also means that they will be able to grow food.
The next great step will be landing people on our nearest planet Mars. Scientists say that the planet once had water on its surface. If that water is now frozen underground, humans will be able to use it someday. By the end of the 21st century, scientists hope, it will be possible to turn the planet into an earthlike place with air and water.
选项
答案
The next great step will be landing people on our nearest planet Mars.
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3598324.html
相关试题推荐
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Peoplehavedreamedoftravelinginspaceforthousandsofyears.Butitwas
Ingeneral,Americanpeopleconsidertheannualtaxseasonaterribleyetimport
Ingeneral,Americanpeopleconsidertheannualtaxseasonaterribleyetimport
Ingeneral,Americanpeopleconsidertheannualtaxseasonaterribleyetimport
随机试题
你是否曾在观看奥运会的时候对职业游泳运动员们的体形惊羡不已呢?他们那颀长、精瘦、肌肉健美的身体在水中似乎毫不费力地滑来滑去。游泳者往往体形优美,经常游泳
WhichofthefollowingcanMr.ButlerNOTbenormallyregardedas?[br][origin
检验检测机构测量装置校准可以采用()方式进行。A.自校 B.送检 C.外校
形成慢性阻塞性肺气肿最常见的病因是A.慢性支气管炎 B.支气管哮喘 C.支气
浆细胞白血病的实验诊断标准是A.外周血白细胞分类浆细胞>20%和绝对值>2×10
目前推荐检测血清总蛋白的定量方法是A.双缩脲比色法B.干化学显色法C.层析法D.
下列有关炭疽的叙述错误的是A.炭疽的传染源是病畜和病人 B.炭疽杆菌只通过与破
确定最低工资标准的通用方法不包括()。A.比重法 B.GBP C.恩
依据关税的有关规定,下列进口货物中可享受法定免税的是()。A.有商业价值的广告
(2018年真题)某公司由甲、乙投资者分别出资100万元设立,为扩大经营规模,该
最新回复
(
0
)