《2025年通城学典课时作业本八年级英语上册译林版南通专版》

四、阅读理解。
Known as the "kidneys" of the earth, wetlands play an important part in the ecosystem. However, about 35% of natural wetlands have been lost in the past 50 years, said the UN. Hoping to do their part in wetland protection, Lyu Haoyan and Cui Luoyao, two 14-year-old girls from Beijing made a mudskipper amphibious robot(弹涂鱼两栖机器人). They won the Gold Award of the 19th Soong Chingling Award for Children's Invention on Aug. 19.
"We wanted to make a simple robot to help collect data(数据), but traditional robots faced problems in wetlands," Cui said.
As an amphibious fish, mudskippers are small and can move freely in wetlands. Inspired by the little creature, they added a special chest(胸腔) and tail fin(鳍) to their robot. The fin can help the robot move freely on land and swim in the water. They also learned coding(编程) to control the robot with their phones from far away, up to 300 metres. What's more, they put in different sensors(传感器) to see plants and check water cleanness.
But things didn't always go well. How to keep the main electronics(电子元件) dry when the robot went underwater was a big problem during testing. "The 3D printed parts we used couldn't be sealed(密封) well," Lyu said. After trying different methods, they found that placing rubber (橡胶) rings in the gaps(缝隙) worked well to stop water from getting in.
After successfully controlling their robotic mudskipper on land and in the water, they were happy with their success. "I feel so proud because our robot can help look into the places that people cannot reach," said Cui.
1. Why did the girls choose to make the robot based on(基于) a mudskipper?
A. Because mudskippers can clean the water.
B. Because mudskippers can talk on the phones far away.
C. Because mudskippers would make the robot look cool.
D. Because mudskippers can move freely on land and in the water.
2. How did the girls keep the electronics dry when the robot was underwater?
A. By sealing the robot with tape.
B. By adding a special cover to it.
C. By using more 3D printed parts.
D. By putting rubber rings in the gaps.
3. What would be the best title for the passage?
A. The importance of wetlands
B. How sensors help in wetlands
C. Difficulties in studying wetlands
D. A robot to save wetlands

答案： 1~3. DDD