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1、课时作业(三十二)选修7Unit 2Robots限时：45分钟 .语法填空 Tips to enlarge your vocabularyFirstly, learn in your real life. 1._ you put your heart into it, you can learn new words everywhere(packets, ads, movies, etc.)Secondly, classify the words. It is easier for you to remember and practice them if you put the words 2
2、._ groups.Thirdly, create or just imagine a proper situation 3._ (practise). The best way to learn and remember new words is 4._ (use) them either by speaking or by writing.Then, learn synonyms(同义词) and antonyms(反义词) of new words. For the words which have similar 5._ opposite meanings, pay attention
3、 to the 6._ (different) of their usage. Next, learn prefixes(前缀) and roots. You have to find these rules by remembering. The more words you learn, the 7._ (easy) it becomes.In addition, have a vocabulary notebook. When you learn a new word, add 8._ to your notebook, and make up a sentence to help yo
4、u remember. And run over frequently. Finally, read more. Reading can help you guess the meanings of the words and enlarge 9._ vocabulary. If you have 10._ good habit of reading, your English is sure to get ahead. .阅读理解AWASHINGTONIts a great achievement that inspires notions (观念) of robots with consc
5、iousness and independent minds.When people or animals get hurt, they can usually compensate for minor injuries and keep limping along, but for robots, even slight damage can make them stumble and fall. However, a recentlymade robot has demonstrated a novel ability: it can heal its own damage.The new
6、 robot, which looks like a splaylegged, fourfooted starfish, can sense injury to itself and adapt. That ability sets the new robot apart from earlier machines. Because the robot can recover from unfamiliar places. “There is a need for planetary robotic rovers (漫游者) to be able to fix things on their
7、own，” says Josh Bongard, a professor in the University of Vermont, who is one of the devices creators. “Robots on other planets must be able to continue their mission without human help if they are damaged and cannot communicate their problem back to earth.”A typical robot functions according to a c
8、omputer program, but the new robot works differently. First, sensors in its four legs observe the robots movements and signals to its builtin computer. From the information it collects, the robot creates its own programs that allow it to adapt to different situations. For example, when the researche
9、rs shortened one of the robots legs, the smart machine simply adjusted its way of walkingit used three legs instead of four.The researchers are looking for other places to put the resilient robot to work. One pellicle spot is the ocean floor. That dark and dangerous undersea place might be a good ch
10、oice for a robot the scientists call the Starfish. “We never officially named the robot, but we usually refer to it as the Starfish, even though a real starfish has five rather than four legs，” says Bongard. “Also, a real starfish is much better than our robot at recovering from injury, because it c
11、an actually grow its legs again.” Scientists have created robots that help humans in many ways: by exploring space, fighting fires, and even performing surgery.11The newlydesigned robot distinguishes itself from the former ones because it_.Acan communicate with people on the earth about their proble
12、msBworks according to a certain computer programCcan find its problems and solve them automaticallyDcan explore unfamiliar places12An example is given in the fourth paragraph in order to explain that the robot _.Ais used to create new programsBhas typical robot functionsChas sensors to observe its m
13、ovementsDcan gather information and adapt to new conditions13The underlined word “resilient” in the last paragraph means the robot is_.Acreative BnewlymadeCable to recover Dinformative14Which of the following is true about the robot “Starfish”？AIt was spoken highly of by people for its special abili
14、ty. BIt will stumble and fall if damaged.CIt can grow its legs again once they are broken.DIt has started to work on the ocean floor.15What might be the best title of the passage?AHow does the Starfish robot workBDoItYourself robots repairCRobots designed to work on other planetsDNew robots helping
15、us in many waysB2011天津卷 In the fall of 1985，I was a brighteyed girl heading off to Howard University, aiming at a legal career and dreaming of sitting on a Supreme Court bench somewhere. Twentyone years later I am still a brighteyed dreamer and one with quite a different tale to tell. My grandma, an amazing woman, graduated from college at the age of 65. She was the first in our family to reach that goal. But one year after I started college, she developed cancer. I made the choice to withdraw from college to care for her. It
