题型:阅读表达 题类:常考题 难易度:普通
仁爱科普版八年级上Unit4 Our world 单元测试
Do you like drinking coke, coffee, juice or milk? Do you often drink them instead of water? However, of all the things we eat and drink, water is the most important. Not all of us understand this but it is quite true. Human body can go without food for a long time, but two or three days without water usually makes people die.
Many people do not understand how much water the human body needs to work well. What is true is that many people do not drink enough, especially in hot weather. Most people drink only when they are thirsty but often need more water after they take exercise.
Does anyone know what is the 65%-75% of human body? It is water. If we do not have enough water, we will feel tired and become ill. So, do you know what the best drink is? It's water.
| Will robots take over the world? It's hard to say. However, this one has already taken over the kitchen. It is the robot chef, Moley. It can make meals. British scientists made it. |
| Look! There is no driver in that car. A computer controls it. The car has no steering wheel(方向盘), but it has cameras. The cameras can see the road. It can go 40 km in one hour. The American company Google made it. |
| Look at this car. It's made of wood. People can use a remote control(遥控) to run it. An American artist spent more than 5,000 hours building it. |
| Do you want a ping pong table in your room? But you may not have enough space. This door is here to help. It can turn into a ping pong table when you pull it down. It's from Germany. |
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