People plant a great number of young trees in the mountains.When the trees grow big and tall enough, they are cut down by workers and carried out of the mountains to the paper mill where fine paper is made from wood.Then it is taken to every corner of the country and used for differe...
It has seasons like the earth. Jupiter has more than 16 moons (卫星)and it is the biggest and heaviest planet. Saturn has more than 22 moons. The other planets, such as Uranus and Neptune, are all very far from the sun and very cold. We need a telescope(望远镜)to see them.1. ...
It has seasons like the earth. Jupiter is the biggest and heaviest planet.Saturn has many moons around it. The other planets such as Uranus and Neptune, are all very far from the sun and very cold. We need a telescope to see them.1. The sun can give us A. heat and water B. ...
When talking about innovation generally I liked Ted’s toss-off line, “People are always happy with what they’ve got.” He said it in relation to the Steve Jobs quote that “People don’t know what they want until you show it to them,” but it struck me as an observation even mor...
all these details are seen separately.This is what happens when we look at something.Beams of light of different degrees of intensity, reflected from all parts of the object, strike the lens of the eye.The lens then gathers together the spots of light from these beams and focuses them on ...
The origin of comets and asteroids is not completely understood. Some asteroids are thought to be debris left over from the formation of the solar system. Others are believed to be fragments from a collision of large asteroids or protoplanets. Comets are known to be remnants of the early sola...
It has seasons like the earth. Jupiter has more than 16 moons (卫星)and it is the biggest and heaviest planet. Saturn has more than 22 moons. The other planets, such as Uranus and Neptune, are all very far from the sun and very cold. We need a telescope(望远镜)to see them. A. ...
Jupiter has at least 79 moons (星)and it is the biggest and heaviest planet. Saturn hasmore than 62 moons. The other planets, such asUranus and Neptune, are all very far from the sunand very cold. We need a telescope(望远镜) to seethem.( )1. The sun can give usA. heat and ...
Saturn is one of the four gas giants, which are the planets primarily composed of gas. The density of Saturn is... Learn more about this topic: Saturn's Major Characteristics from Chapter 2/ Lesson 4 12K Saturn, the sixth planet from the sun, is known for its bright and beautiful rings...
9. What’s the matter with Judy? A. She has a fever. B. She has a toothache. C. She has a headache. 10. What does the man advise Judy to do? A. See a doctor. B. Drink some water. C. Take some medicine. 听第8段材料,回答第11-13小题。 11. How many clubs are ther...