Instead, it has widened the wealth gap between rich and poor, between developed and developing countries, and within developed countries. Many developing countries have benefited little from economic globalization and even lost their capacity for independent development, making it hard for them to acces...
(A)人造卫星 What are satellites doing? I am in space, moving around the Earth. I look like a big bird. My wings aresolar panels. They help to turn solar to electricity. I am a satellite! In my family, there are many members. We look different. We have different jobs. 根据短文内容...
B Have you ever heard of satellites(卫星)? What are they used for?Satellites are helping to forecast(预报) the weather now. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere,where the weather forms. They send these pictures to ...
Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to sent and receive messages. For example, with their help China can send the...
C. acd D. bcd 4. What is the main message of the story? A. The difficulty of sending a satellite into space. B. Advantages and disadvantages of satellites. C. Why countries are competing to send satellites into space. D....
(1)Why are satellites the US and China have sent to space mentioned at the beginning of the passage? DA.To show which country has the most satellites.B.To compare the two countries' satellite developments.C.To prove the popularity of satellites in space....
(气象学家) can see the weather of any part of the world.From the pictures,the scientists can often say how the weather will change so that it can work better for people.Nowadays,more and more countries have weather satellites.Nearly five hundred weather stations in sixty countries receive ...
A. To send satellites into space. B. To do scientific experiments in space. C. To send astronauts to the moon, Mars and beyond. D. To send materials to the International Space Station. 相关知识点: 试题来源: 解析The Starship rocket is designed for deep-space missions. Its primary purpose...
SpaceX has changed humanity's relationship with space. Where once we had to painstakingly plan every rocket launch and dump most of the vehicle in the ocean, SpaceX now sends Falcon 9s into orbit at an industrial scale. This reusable rocket regularly deploys dozens of internet satellites and ...
spacecraft -- they move around their target planet at very high speeds, following circular or elliptical paths. In the strictest interpretation of the definition, each piece of debris qualifies as a satellite. But astronomers generally think of satellites as objects that perform a useful function...