A. can fly over 240 km above the ground B. can fly as fast as a plane C. can fly for 22 minutes D. uses clean energy 4. What is the story mainly about? A. Flying motorcycles in movies. B. A flying motorcycle. C. New planes with four engines. D. How to use clean energy. ...
. Planes and airships may sound similar, but they are very different. For example, airships are much lighter(更 ) than planes and they don't need wings (翼) to fly.And planes can fly much faster than airships.The airship in the picture is called the AS700and it is made in...
A . can fly over 240 km above the ground B . can fly as fast as a plane C . can fly for 22 minutes D . uses clean energy (4) What is the story mainly about? A . Flying motorcycles in movies. B . A flying motorcycle. C . New planes with four engines. D . How to use...
初一英语阅读题Do you like to see planes flying across in the sky?Today many people fly from one place to ___.Travelling by air is quite common.But sixty years ago things were quite ___.At that timee it was very dangerous to fly.The plane were
A. Flying motorcycles in movies. B. A flying motorcycle. C. New planes with four engines. D. How to use clean energy.读后词汇拓展 猜出画波浪线单词的词性和中文意思,并收入自己的小词典。rider 相关知识点: 试题来源: 解析 六、1.D 2.B 3.C 4.B 读后词汇拓展 n.骑手 反馈 收藏 ...
Today in science class, we made paper planes. Our teacher said, “We will see which plane flies the farthest.” Everyone his or her plane to win. We stood at the front of the and threw (扔) our planes one by one. The teacher had a . She measured (测量) how far each plane trave...
When the energy let outpassage?from planes in the form of hot wet air it meetsA. Contrail clouds are always formed incold air in the sky. As a result, it cools andone way.condenses. This is called exhaust(排气)B. They often take the shape of longcontrail. As the process takes ...
Today in science class, we made paper planes. Our teacher said, “We will seewhich plane will 1 the farthest. The teacher had a 2. She measured how far each plane travelled. Someplanes didn't go far. They travelled closely and fell to the _3_. Most of the planeswent farther. They...
how planes fly B. how contrails form C. how cold the air is in the sky D. how dangerous flying is in the sky( )3. From the last paragraph, we know A. contrails are the same as the smoke airplanes create in the sky B. pilots can work the smoke machines at an air show easily...
The tails are actually artificial clouds.factsThe cold air causes thewater vapor to freeze andit turns into small waterdrops before evaporating.Sometimes, it freezes intoPlanes'whiteformingvery small ice crystalstailsand then they form thecontrails in the sky.The special smoke machines sendout oil ...