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分清楚这次是多么艰难、多么危险,以及要冒多么 With Armstrong's now famous words: "That's one small step for 大的风险。 伴随着阿姆斯特朗这句如今已经非常 man, one giant leap for mankind", a dream was achieved. All three 有名的话:“那是个人的一小步,但却是整个人类 astronauts made it safely ...
With主句通常用现在完成时。Armstrong's now famous words: "That's one small step for man, one③millions of百万 的giant leap for mankind", a dream was achieved. All three astronauts④aware adj.意识到的;知道的made it safely back to Earth, using a spaceship computer that was much less ...
a space between the letters. Printing.one of the blank pieces of metal, less than type-high, used to separate words, sentences, etc. Telegraphy.an interval during the transmitting of a message when the key is not in contact. radio or television broadcast time allowed or available for a pro...
Research articles should present a major advance and must include an abstract of up to 250 words, an introduction and sections with brief and informative subheadings. Authors may include up to ten figures and/or tables and about 60 references. Total research article length should be under 15,000...
View original post182 more words Author Has This Ever Happened to You? TheWriters Co-opprompt was “Out”. You can read the other worthy submissionshere. Share with your family and friends if you think they’d enjoy reading short original works by a creative bunch of writers. Maybe even ...
Whie I supportspace exploraion,I don't think space is the final frontierComplete the passage with words from the text.just yet There is stil much to learn用课文中的单词完成短文。about the Earth, and we are only at thevery beginning of new technologicalMis explorng spacein the hopeof find...
The Soviet Union sent the first space station into space in 1971.this space station was called Salyut 1.Salyut 1was designed as a place where people could live while they observed space and did experiment.The first group of astronauts lived there for 23days.The Soviet Union went on to ...
The smallest curve possible will change based on the size, length, and spacing of your text. Smaller font sizes and shorter words or phrases can achieve a smaller circumference than larger font sizes and longer words or phrases. Drag the slider to the left to curve the text upward. You wil...
NASA's chief celebrates a "giant leap" Bill Nelson, NASA’s administrator, just sent out words of congratulation to the four-person Polaris Dawn team and SpaceX: Congratulations @PolarisProgram and @SpaceX on the first commercial spacewalk in history!Today’s success represents a giant leap ...