( )5.Whichofthefollowingstatementswasthedifficultyengineersmetwhilemakingthe roboticfly? A.Theydidnothavesufficientfund. B.Noready-madecomponentswereavailable. C.Therewasnomodelintheirmind. D.Itwashardforthemtoassemblethecomponents. ( )6.Whatdoweknowabouttheroboticfly? A.Theroboticflyhasbeenputintowide...
himhardontheback.Itwasonlywhen Madison heardhimcrythatsheknewhewasallright.It tookMadisonlongertorecoverthantheboy,who wastakentohospitalandlefthospitalthatsame night.She,however,experiencedmonthsofpainfultreatment,fortheinjurythatshehadpostponed tending was more severe,which,says neighborMaryHolley,madethegirl?
When she was 6 years old, she did something amazing!She finished a 2,100-kilometer bike journey from Xi’an, the capital city of Shaanxi, to Turpan (吐鲁番) in Xinjiang, with her parents. It took them two and a half months. Sophie became the youngest child in the world to have bike...
【答案】Suddenlytherewasasoundinthebush.Outofthegrowthflewthisbattereddogrightintomyfather’sarms.Spiderhadleapedoverthetenniscourtfencewithgreatforceandcertainty.Myfather’seyesshone,andtheoldladyandIstoodtherewithtearsinoureyes.Hekeptlickingmyfather’sfaceandmakingchokingnoises.Hesmeltdreadful.Wewrappedhiminan...
When Stephen Hawking published A Brief History of Time in 1989, the reactions of the public were quite different from those of scientific circles. People who were not scientists described the book as a masterpiece. They said the book helped them understand what a very complex world astrophysics...
2. Which of the following is true about A Brief History of Time?( )A. Only 5.5 million copies of it were published.B. It was brought out in 1989.C. The public agreed with scientists on the quality of the book.D. It was not a widely read book. 3. By quoting (引用)Hawking’s ...
The Encyclopædia Britannica was first published in 1768, when it began to appear in Edinburgh, Scotland. Who made the first encyclopedia? The “Natural History” of Pliny the Elder is generally considered the first encyclopedia. The 1st century Roman writer aimed to gather together all human ...
Amy’s washing machine was chosen as India’s best invention! And the story of this young woman’s creative invention spread around the world. “Amy’s invention saves time and money for the world’s poor,” said Jeanine Thomas of the Borden Project, “she made a difference.”1. What ...
The rest, as they say, is history Lasers were not the fully-formed brain-child of any one scientist. It is therefore difficult to say exactly when the journey started. However, many argue that the first stone in this edifice was laid in 1900 with Max Planck’s theory that energy is emi...
in the history of horse racing, few horses have captured the affection of the british public like red rum. 【答案速查】:46-50 badad 46. b) he won enormous fame and love from british people. 47. a) it was sim...