课时提能练(三十八)Unit 4Public transport课时作业A：基础层面.语境语法填空 APeople used to 1.be_conveyed(convey) from one place to another by buses and trains.However，nowadays more and more families have their own cars，which 2.speeds(speed) up the development of our national economy and meanwhile results in more traffic jams.Whats worse，some drivers violate traffic rules，such as drunk and driving and speaking on their phones while 3.driving(drive)，which leads to more accidents and more deaths 4.arising(arise) from the accidents.Only when people have put 5.through the pain can they realize that it is up to them all 6.to_ensure(ensure) that roads are smooth.At the same time，more and more people begin to take buses to go out，which can pick up and drop off people at different stops in the route.BThe London Underground has the distinction of being the 1.oldest(old) and most complex underground system in the world.2.Before the initial tunnels were opened in 1863，the traffic jams of London were 3.unbelievable(believable)Twenty-one years later，in 1884，the Metropolitan Railway Company and the Metropolitan District Railway linked up and provided underground 4.service(serve) in the middle of the city.With better ways for digging tunnels 5.developed(develop)，the first railway tunnel under the River Thames was dug in 1884.The City and South London Railway opened the first electric underground railway in 1890.And six independent deep underground lines were constructed 6.over the next twenty-five years.Then a wealthy American businessman，Charles Yerkes obtained ownership of the many different lines and set up the Underground Electric Railways Company of London.Between 1918 and 1938，many new 7.stations(station) were constructed.During World War ，the underground system had some unusual uses.After 8.the war，the system was enlarged and more lines 9.were_added(add) because more people travelled on the underground.The London underground system 10.is_working(work) to transport huge numbers of people as it has done for many years.Buy one of the travel cards and you can travel all over the underground system.根据提示补全句子1你来决定咱们是到外面吃饭还是待在家里。(be up to)Its_up_to_you_to_decide whether to eat out or stay in.2既然你想知道他在哪里，为什么不给他打电话呢？(why not)Since you want to know where he is，why_not_phone_him?3沿途全是大树，如果天热我们可以乘凉。(倒装句)Along the road are_tall_trees so，we can enjoy the cool if it is hot.4他试图说明情况是多么紧急。(convey)He tried to convey_how_urgent_the_situation_was.课时作业B：能力层面.阅读理解A(2019新疆维吾尔自治区第二次适应性检测)Technology is forever changing the way we get our news.Most people now get a lot of their news on electronic devices，instead of traditional media，such as newspapers，television or radio.An increasing number of people also report turning to social media for information.Now，there is a new technology that could greatly change the way we get the news: computercreated news readers.China has launched what it called the worlds first artificial intelligence，or AI news presenters.The news readers，supported by machine learning technology，are based on two reallife Chinese newsmen.One is able to present news broadcast in English; the other，in Mandarin Chinese.A report said machine learning was used to examine video images and sounds of the two newsmen.Similar technology has been used to create video products known as “deepfake videos”A deepfake video is a video that looks real，but was electronically changed.Such videos can make people appear to say things they never said.Its said that the AI presenters will be a great improvement to the news team because they “can work 24 hours a day” on its website and on social media.One of the presenters even promised to “work tirelessly” to keep people informed.Some machine learning experts said the system showed off Chinas latest progress in voice recognition，texttospeech technology and data analysis.Others wondered about the effects robots might have on employment and workers.Some people argued that only lowlevel jobs requiring heavy labor will be easily replaced by robots.Others praised the technology as a way for companies to make money from lowcost labor machines.Anyway，for its great potential，some businesses have experimented with similar technology for possible use in news operations.【语篇解读】本文主要介绍了人工智能新闻主播的相关情况。1People now get information mainly from _.Aelectronic devicesBtraditional mediaCsocial mediaDAI news presentersA细节理解题。根据第一段第二句中的“Most people now get a lot of their news on electronic devices”可知，人们现在主要从电子设备上获得信息。2The author mentioned “deepfake” in Paragraph 3 because _.Ait was also artificialBit was also developed by ChinaCit also used machine learning technologyDit also gained popularity and recognitionC推理判断题。根据第三段第三、四句“A report said machine learning was used.known as deepfake videos”可推知，作者提到deepfake是因为它也用了机器学习技术。3What can we know about AI news presenters?AAI news presenters can only “speak” one