Making a Paper Airplane By Simon Livingston Learning how to make a paper airplane isn't difficult, but not every design flies the same. In this article I'll show you how to make a classic paper airplane that is guaranteed to fly.
It was a very dangerous experiment that you shouldn't copy.Kites were also used to develop airplanes. The Wright Brothers experimented with kites before they flew the first airplane. G4 In World War I the Ger-mans developed a large kite that could transport(运送)people to a submarine. ...
32 Some historians believe that the ancient Chinese may have started kite flying 2, 000 years ago. It is still a popular hobby in China, Japan, Kore a and other countries of the Far East where beautifully decorated kites appear in different colours. In China, there is even a special ...
37 It flies because air flows over and under the kite’s wing. The pressure under the wing helps the kite lift into the air. 38 Early scientists sent kites up into the air to measure temperature at different heights. In 1752 Benjamin Franklin used a kite to prove that lightning was a...
People have been making and flying kites for about 2, 000 years.1.Some historians believe that the ancient Chinese may have started kite flying 2, 000 years ago. It is still a popular hobby in China, Japan and South Korea and in other countries of the Far East where beautifully decorated...
故选D。 2.A 根据下文的 Simple kites are made by crossing two sticks and covering them with paper or cloth.简单的风 筝是由交叉木棍和覆盖上纸或布制作的。得知这是对 不同类型的风筝构成描述,此处指“风筝有不同的大小、 颜色和形状”。故选A。 3.B 根据下文的It flies because air flows over ...
air flows over and under the kite's wing It flies 的原因,用because引导,故选B 47.D 解析:考查动词短语辨析。 早期的科学 家把风筝放飞到空中,测量不同高度的温 度。 use up用光;set up设立; put up张贴; sendup使上升。 根据语境可知,早期的科学 家把风筝放飞到空中,故选D。 48.A 解析:考查名词...
Kites were also used to develop airplanes. The Wright Brothers experimented with kites before they flew the first airplane.In World War I the Germans developed a large kite that could transport people to a submarine. Kites were also used to carry radio signals over long distances. ...
It flies because air flows over and under the kite's wing. The pressure under the wing helps the kite lift into the air.Early scientists sent kites up into the air to measure temperature at different heights. In 1752, Benjamin Franklin used a kite to prove that lightning was a form of ...
Kites were also used to develop airplanes. The Wright Brothers experimented with kites before they flew the first airplane.5.In World War I the Germans developed a large kite that could transport people to a submarine. Kites were also used to carry radio signals over long distances. ...