1、 课时作业(十八)必修3Module 6 Old and New(限时：45分钟).阅读理解A class with tens or even hundreds of thousands of students might sound like a teachers bad dream. But a big idea in higher education these days is the massive open online course, or MOOC.Some universities offer free, noncredit(无学分的)MOOCs available to an
2、yone in the world. Others charge for courses and provide credits. The idea is still developing.So far, most massive open online courses are in computer science, technology, mechanics and engineering. For example, students around the world are taking a free course called “Building a Computer Search E
3、ngine”. Two computer scientists, Sebastian Thrun and David Evans, are offering this course through .There are no education requirements for the course. The students watch short videos. Then, Mr Evans says, they take informal quizzes(测试)after the videos each week for six weeks.DAVID EVANS: “Quizzes a
4、re part of the lecture to keep students engaged and keep them thinking, for students to be able to check that they understood what we covered. Those are not graded and students try those as often as they wish. They can repeatedly watch the videos and take the quizzes whenever they want.”Students rec
5、eive homework. They join online groups to exchange questions and answers about the course. The teachers hold office hours to answer questions that the students have voted to send them. They also present their own questions and observations to the students in order to help them make a deeper impressi
6、on of the course.The students take a final examination to show where they rate in the class. Everyone who finishes the course receives a grade and proof of completion. Top students get letters documenting their work.Mr Thrun started Udacity, which supports free MOOCs. Udacity hopes to make a profit
7、in the future by connecting possible employers with interested students. On his Stanford homepage, he says he wants to democratize education. “Education”， he says, “should be free, accessible for all, anywhere and any time.”1What can we know about MOOCs from the passage?ANot all of them are free.BTh
8、ey are bad dreams for teachers.CThey are popular among high school students.DAll of them are about computer science and technology.2Building a Computer Search Engine _.Ais a free course that is provided on the InternetBis mainly for students from American universitiesCis offered by two scientists fr
9、om the same universityDcan be taken only by those excellent college students3According to the passage, the students who take the course Building a Computer Search Engine _.Awill take an informal quiz every dayBlearn mainly by watching short videos on the InternetCcan ask the teachers any question ab
10、out the course anytime on the InternetDwill get a grade and a proof of completion if they do well in the final examination4The underlined word “democratize” in the last paragraph probably means “_”Aimprove BlimitCpopularize Dreceive5What would be the best title for the passage?AEnjoy online educatio
11、n, which is more popularBJoin Udacity, which supports free online coursesCTake an online course to study computerDGet a free education in huge online classes.语法填空W: Arent you going for the job interview tomorrow?M: Thats right. I have to go at ten oclock in the morning. I dont know how to get there,
12、 _6_.W: I can take you there in my car, _7_you like.M: Thanks a lot. Thats a great help. I must say, Im not happy about this interview.W: Why? Youre the person they _8_(look) for. And I know they need engineers.M: I know, _9_ I havent had much experience.W: I dont think that _10_ (matter). Youre sur
13、e to get the jobM: Well, I dont know. W: Dont you want the job?M: Of course I do. I really need it. And theres _11_ thing. I dont think Im good enough at languages.W: But your German is really good. I _12_ (impress) by the way you talked to those people we met on holiday last year.M: But I dont thin
14、k I speak German well enough for _13_(do) business, and my French is terrible.W: Well, I dont agree. Your languages are good.M: Its very nice of you to try to cheer me _14_， but I still dont think Im going to get the job.W: Well, well just have to wait and see, _15_we?6_7._8._9._10._11_12._13._14._1
15、5._.短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改。增加： 在缺词处加一个漏字符号()，并在其下面写出该加的词。删除： 把多余的词用斜线()划掉。修改： 在错的词下划一横线，并在该词下面写出修改后的词。注意： 1.每处错误及其修改均仅限一词；2只允许修改10处，多者(从第11处起)不计分。Last week, I, together with my friends, visited Mount Yuntai in Henan Province. It is famous as
16、its beautiful and unique scenery. We gathered at the school gate at 7：00 am. Two hours late we arrived by bus. On arriving, we set about climb in groups. At noon, we got together at the Geological Museum to watch some exhibits, where show how geological structures form. Then we had lunch and take a
17、break. At 2：00 pm, we continued my exploration regardless of tiredness. We met at that is called Zhuyu Peak at 4：00 pm. After taking some photos, we walked down the mountain. At 6：00 pm, we returned back to school. It was unforgettable trip. I felt excited by the amazed beauty of nature.书面表达如今世界粮食短缺
18、，价格飞涨，这给部分地区造成社会动荡。假设在你校开展的研究性学习中，你们小组以“World Food Crisis”为题进行研究，现在请你代表你们小组向全体同学简要介绍你们的研究成果。主要内容如下：1引起的原因(两条)；2应对的措施 (两条)；3你如何做出自己的贡献。注意：1内容包括以上要点，但不要逐句翻译；2词数100左右，文章开头已给出，不计入总词数。Hello, everyone，Now Ill tell you something about our research project the World Food Crisis on behalf of our group. As yo
19、u know, food shortages have hit many countries in the world and even caused social unrest in some areas. _课时作业(十八).1.A2.A3.B4.C5.D.6.though7.if8.are looking9.but10.matters11another12.was impressed13.doing14.up15wont .Last week, I, together with my friends, visited Mount Yuntai in Henan Province. It
20、is famous asfor its beautiful and unique scenery. We gathered at the school gate at 7：00 am. Two hours latelater we arrived by bus. On arriving, we set about climbclimbing in groups. At noon, we got together at the Geological Museum to watch some exhibits, wherewhich show how geological structures f
21、orm. Then we had lunch and taketook a break. At 2：00 pm, we continued myour exploration regardless of tiredness. We met at thatwhat is called Zhuyu Peak at 4：00 pm. After taking some photos, we walked down the mountain. At 6：00 pm, we returned to school. It was an unforgettable trip. I felt excited
22、by the amazedamazing beauty of nature.One possible version：Hello,_everyone，Now_Ill_tell_you_something_about_our_research_project_the_World_Food_Crisis_on_behalf_of_our_group._As_you_know,_food_shortages_have_hit_many_countries_in_the_world_and_even_caused_social_unrest_in_some_areas. But what has ca
23、used the current world food crisis? First, annual world grain output has declined because of climate change. Second, lots of farmland has been lost due to the rapid development of industry and urbanization, which has worsened the severe situation.Then how can we deal with the problem? On the one han
24、d, we should focus on the environmental protection and improve the ecology. On the other hand, strict measures should be taken to protect farmland. Of course, developed countries should take their responsibilities to help the poor ones experiencing food shortage.As for me, I will call on the people around me to live thriftily. And for the moment, I think, we should study hard to develop science and help solve the food shortage in the future.