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题目Today,we'll learn about four kinds of satellite (人造卫星). The first kind of satellite studies the 1 of the Earth.People use it to help make maps.It also helps countries see where they may 2 oil or gold (石油或黄金). People use the second kind of satellite...
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Such programs do not have to negatively affect the environment ,though . Ferraro wanted to see if Indonesia 's poverty-alleviationprogram was affecting deforestation . Indonesia has the third-largestarea of tropical forest in the world andoneof the highest deforestation rates . ...
life here was dull and uncomfortable. However, with the economic development and the improvement of people's living standards,my hometown has taken on a brand new look. First of all, compared to limited choices on daily diets ten years ago...
The success also belongs to the team. Hundreds of engineers and workers are behind them, offering all kinds of supports to help them finish more tasks. 1. In China, when was the first satellite sent into space? ___ 2. How long will the astronauts stay in space? ___ 3. Why...
It’s an exciting time to be a fan of “The Expanse,” which, after spending its first three seasons on Syfy, is getting a new lease on life courtesy of Amazon Prime Video. And those faithful fans experienced an embarrassment of riches yesterday, courtesy of the series’ Saturday morning ...
Explorer 1 was the first U.S. satellite and the first satellite to carry scientific instruments. (Image credit: NASA/Jet Propulsion Laboratory) Other countries began to send their own satellites into space as the benefits rippled through society. Weather satellites improved forecasts, even for remot...