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”。]