试题详情

Why do we use the weather satellites to take pictures of the atmosphere? Because __________.

--- Why do more and more people start to use new types of energy？--- Because they cost_____and are g

All the flights ______ because of the snowstorm, we had to take the train instead. A.were canceleD

ed in the belts to fall into the Earths atmosphere at the poles. As the electrons fall to the Earth

at the bottom of our to-do list, we cant help but feel a little disappointed in ourselves. The pro