题型:语法填空(语篇) 题类:常考题 难易度:普通
浙江省宁波市余姚中学2017-2018学年高二上学期英语期中考试试卷
Many teachers believe that hands-on experience is the (good) way to learn. A group of students in the United States are putting that belief to the test. They (success) designed and built a robot for discovering unexplored mines the bottom of the sea. Students made the robot (answer) a challenge from the U.S. Department of Defense.
The students recently tested the underwater vehicle (call) PerseusⅡin a 95-meter-long tank of water at the Stevens Institute of Technology.
The robot costs about $15,000 to build. The students use a video game control to direct (it) movements in the tank. What's more, devices known as Japters (able) the robot to go up, down and toward its target in the water. Video cameras on the robot send images back to a computer through a 13-meter-long cable. Perseus Ⅱ,the students worked up to 20 hours a week to design and build, also has set of lasers (激光), which are used to measure the size of an object.
DeLorme supervised the project from (begin) to end. He says the specialized requirements of robots were demanding.
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