中考英语专项练习阅读理解之科普知识与现代科技.docx

1、中考英语专项练习阅读理解之科普知识与现代科技2019年中考英语专项练习阅读理解之科普知识与现代科技含答案第一节 阅读理解。根据短文内容，从每题所给的A、B、C、D四个选项中选出最佳答案。AArtificial intelligence(AI，人工智能)can help us make phone calls. It can guide us to where we want to go. It can play games. And now，AI can do even more things.Researchers from Microsoft have created the first

2、machine translation system that can translate news articles from Chinese to English.The researchers tested the system by asking it to translate hundreds of sentences taken from news stories. Then，language experts compared the results to the translation that were done by humans. The experts said that

3、 the systems translations were as good as the human translations.Experts used several methods to improve the systems translation abilities. “Much of our research is really learned from how we humans do things，” lead researcher Liu Tieyan said.One method is called dual learning(对偶学习). In this method，

4、the system translates every sentence from Chinese to English，as well as translates the sentences back from English into Chinese. This way，the system can improve itself and learn from its own mistakes. This is similar to what humans do to make sure their translations are exact.Another method makes us

5、e of deliberation networks(推敲网络)The researchers taught the system to repeat the process of translating the same sentence over and over. Gradually，the system can improve the quality of its translations. This is similar to how people correct their own writing by going through it again and again.( )1.

6、Microsoft created a system that can _.A. make phone callsB. give people directionsC. play games with peopleD. translate news articles( )2. What did the experts say about the systems translations?A. They were not exact.B. They were as good as human translations.C. They were better than human translat

7、ions.D. Its hard to tell whether the translations were correct.( )3. Dual learning trains the system to translate _.A. more quicklyB. different sentencesC. more exactlyD. the same sentence repeatedly( )4. The underlined word “it” in the last paragraph refers to _.A. dual learning B. the processC. th

8、e systemD. peoples own writing( )5. The passage wants to tell us _.A. what artificial intelligence can do for usB. how sentences are translated from Chinese to EnglishC. how the machine translation system was developedD. why Microsoft created a machine translation systemBTeenagers are known for bein

9、g creative and full of new ideas. Lets have a look at these teenage inventions that might change the world.Banana leaves usually go bad in two or three days. Tenth Hadith, a teenager from India, used UV to make the leaves stay fresh for a year. Tenth thinks that one day the leaves will be used for m

10、aking plates, cups and other things. David Cohen, an American teenager, built an earthworm(蚯蚓) robot. It is able to go into the smallest places, where humans or dogs cant go. It will be used for finding people in a fire or an earthquake. Remya Jose, a 14-year-old from India, found it tiring and bori

11、ng to hand wash clothes in the nearby river. She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time. Kenneth Shinozuku, a 15-year-old from New York, noticed that his grandfather who got Alzheimers disease（老年痴呆） would often leave home

12、 and get lost. So he invented the wearable sensors(感应器)to help people find their family members like his grandfather. ( )1. What is the passage mainly about?A. Popular adsB. Useful machinesC. Strange pictures.D. Teenage inventions( )2. The earthworm robot by David Cohen can _.A. make things stay fre

13、shB. help people wash clothesC. go into the smallest placesD. take care of the old people( )3. Which of the following is TRUEA. Plates and cups are made of fresh banana leaves.B. Remyas washing machine can also keep people fit.C. David Cohen is a middle school student from India.D. Kenneths wearable

14、 sensors will keep old people at home.CTechnology is everywhere. We see it any place we go and， in fact， almost all of us carry some piece oftechnology with us every time we leave the house. What I always forget， though， is just how useful and powerful technology can be when we want to help othersTh

15、ere is not a single room in my house that does not have some electronic devices（设备） lying around init. Whenever I am at home， I am almost always using at least one electronic device. If you walked into my living room on any given day， you would find that， first， I have the television on. At the same

16、 time， I usually have my laptop resting on my knee， or I will be using my mobile phone， Even when im not at home I am always using my phone， and at work or in cafes， I sit down and connect to the local wireless network on myopic.I must say that I waste a lot of time on the computer and the time I spend on it could be m