题目内容
2. Bamboo is used for making chopsticks. (对画线部分提问）
bamboo used ？
2. What is;for
explore, mark , find out, system, use, direction, man-made
Thanks lo the Global Positioning1 (GPS) ， we can exactly know where we are now. It can be2 in any place and any weather condition to find their position by 3 . In the past，they had to use the stars in the sky as 4 to tell them where they were. However，this melhod didn't work very well when the weather was bad. So the GPS is like a 5 "star".it is a great invention that can
help us to better explore our planet.
1._______ 2. 3. 4._____________ 5.
3. 1will lock the door when you leave.
The door________ _______ _______ when you leave.
1. He would like to s me where his hometown is in the map.
1. As we know，Thomas Edison was a great _______ (invent).
2._________________ (那时)，few people could afford a car.
1. We all agree that the computer is one of the most useful i
3. They are playing games with toy (枪）.
1. The final exam is coming. All of us are busy r our lessons.
快乐小博士巩固与提高系列答案快乐小博士巩固与提高系列答案快乐小博士巩固与提高系列答案