A.directions B. part C.signs D.easier E.active |
Every now and then, you may hear satellites sent into space.Why do we need so many satellites? What do they do for us?
At present, there are more than 3,000
For example, the 22 satellites China sent up on February 27 are
A. predict B.united C.disasters D.block E.distances |
Before we have satellites, TV signals didn’t reach very far. Mountains or tall buildings would
Satellites can also provide information about clouds,oceans,land and ice. They help scientists
object also personal already another into control expensive imagine build although |
What will the world of tomorrow look like? Many people believe that technology is going to help solve some of the most difficult problems we have on Earth today. New technology may solve old problems, and it may
When we dream about the future, many of us think that we will be able to fly to the skies in our own
3-D printing is
Finally, people are trying to
Looking ahead, it is easy
touch great wear act so who people tradition use in |
At the 2024 Spring Festival Gala (晚会), many wonderful shows were presented to people around the world. By
One of the
To
Thanks to modern technologies, people can see Li Bai communicating and drinking with a modern
This show continued, becoming an attraction of Xi’an’s. It attracts tourists from all over the world
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