内容正文:
八上英语导学案
Unit 7 Will people have robots?
Section A Grammar focus &3a-3c
1、 根据括号内所给单词的提示填空
1.In the near future, there will__________(be) self-driving cars in our city.
2.Everyone should play a part in____________(save) the earth.
3.It's necessary for us____________(plant) more trees on both sides of the road.
4.Look! The factory______________(pollute) the river!It's terrible!
5.Jack Green (build) another famous building with his workers last year.
6.Cities will be much (crowded)in the future.
7.He is going to be an engineer _____ 4 years.
8.You are getting fatter. You should take (much)exercise.
9.In the future, I think people will live (be)200 years old.
10.There is going to be less___________(pollute) in the future.
二、根据短文内容从下列选项中选出能填入文中空白处的最佳选项(有一项多余。)
Farmyard robots can cut down chemical pollution
1.____? Many of them use chemicals(化学品)to kill weeds(杂草).The trouble is, these weedkillers also kill wildlife,pollute rivers and are bad for the fields.2._____.This kind of robot can cut weedkillers use by 90%.The robot is really smart because it only kills weeds but not crops.
3. .
Several cameras(相机)are built into the robot. The cameras facing the ground take photos to help the robot"see"the plants it passes.The robot compares(比较)each photo to a library of plant photos to decide on which plants are weeds.
Robot arms move into position to give a small dose (剂量)of weedkiller on the weeds.
The robot is energy-friendly.4.
How the robot will develop
The scientists do not want to just stop at the achievement they have made.5. .The improved model of robots will find ways instead of weedkillers.
Robots could be programmed to leave some harmless(无害的)with in the fields to help wildlife living there.A. But scientists have created (创造)a farmyard robot
B. It is powered by the energy from the sun
C. Where the robot is used
D. They are working on the new designs (设计)to improve the model
E. How t