高考题型提能练(十七) Unit 17
(2016・四川绵阳市高三二诊考试)Many teachers believe that hands－on experience is the __1__(good) way to learn. A group of students in the United States are putting that belief to the test. They __2__ (success) designed and built a robot for discovering unexplored mines __3__ the bottom of the sea. Students made the robot __4__(answer) a challenge from the U．S. Department of Defense.
The students recently tested the underwater vehicle __5__(call) PerseusⅡ in 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 __6__(it) movements in the tank. What’s more，devices known as Japters __7__ (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 also has __8__ set of lasers (激光)，which are used to measure the size of an object.
The robot is the creation of five undergraduate students. For over six months，they worked up __9__ 20 hours a week to design and build Perseus Ⅱ.
DeLorme supervised the project from __10__(begin) to end. He says the specialized requirements of robots were demanding.
【语篇导读】 本文通过事实证明：亲身的实践经验是学习的最好方法。
1．best [考查形容词最高级。此处表示“亲身的实践经验是学习的最好方法”，故用best。]
2．successfully [考查副词。副词修饰动词designed和built作状语，故用successfully。]
3．at [考查介词。at the bottom of表示“在……的底部”，故用at。]
4．to answer [考查动词不定式。在这里to answer是动词不定式作目的状语，表示“制造这个机器人是为了回应美国国防部的一项挑战”。]
5．called [考查过去分词。此处应用过去分词作后置定语，表示“被叫作”，故用called。]
6．its [考查代词。由后面的movements可知，应用形容词性物主代词作定语。]
7．enable [考查动词和时态。分析句子结构可知，主语是devices，谓语是设空处，故应用动词enable，表示“使发生”。且此处是一般性的描述，故应用一般现在时。]
8．a [考查冠词。a set of表示“一系列”，故用a。]
9．to [考查固定短语。up to表示“达到”，故用to。]
10．beginning [考查固定短语。from beginning to end表示“从头到尾”。]