(完整word版)2018年6月大学生英语四级真题试卷三(完整版).doc

完整word版)2018年6月大学生英语四级真题试卷三(完整版)2018年6月大学生英语四级真题试卷三(完整版）Part I Writing(30 minutes)（请于正式开考后半小时内完成该部分，之后将进行听力考试）Directions:For this part,you are allowed 30 minutes to write an a short easy on the importance of writing ability and how to develop it.You should write at least 120 words but no more than 180 words.Part II Listening Comprehension(25 minutes）说明:2018年6月大学英语四级真题听力两套，本套听力内容与前两套重复,不在给出.PartⅢ Reading Comprehension(40 minutes)Section ADirections：In this section,there is a passage with ten blanks.You are required to select one word for each blank from a list of choices given in a word bank following the passage。

Read the passage through carefully before making your choices，Each choice in the bank is identified by a letter.Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre.You may not use any of the words in the bank more than once.Questions 26 to 35 are based on the following passageSince the 1940s，southern California has had a reputation for smogThings are not as bad as they once were but,according to the American Lung Association,Los Angeles is still the worst city in the United States for levels of（26)______。

Gazing down on the city from the Getty Center,an art museum in the Santa Monica Mountains，one would find the view of the Pacific Ocean blurred by the haze（霾）Nor is the state's bad air（27）_______to its south.Fresno,in the central valley，comes top of the list in America for year-round pollutionResidents'hearts and lungs are affected as a(28)_______.All of which,combined with California’s reputation as the home of technological(29)_______，makes the place ideal for developing and testing systems designed to monitor pollution in（30）_______。

And that is just what Aclima,a new firm in San Francisco,has been doing over the past few months.It has been trying out monitoring stations that are（31）_______to yield minute-to-minute maps of(32）_______air pollutionSuch stations will also be able to keep an eye on what is happening inside buildings,including offices.To this end，Aclima has been(33）_______with Google’s Street View system.Davida Herzl,Aclima’s boss,says they have revealed pollution highs on days when San Francisco’s transit workers went on strike and the city’s（34）_______were forced to use their cars。

Conversely，“cycle work"days have done to their job by（35)_______pollution lows.注意:此部分试题请在答题卡2上作答A)assistedB）collaboratingC)consequenceD）consumersE)creatingF)detailG）domesticH)frequentlyI）inhabitantsJ)innovationK)intendedL）outdoorM)pollutantsN）restrictedO）sumSection BDirections：In this section,you are going to read a passage with ten statements attached to itEach statement contains information given in one of the paragraphsIdentify the paragraph from which the information is derived.You may choose a paragraph more than once。

Each paragraph is marked with a letterAnswer the questions by marking the corresponding letter on Answer Sheet 2.Some College Students Are Angry That They Have to Pay to Do Their Homework［A]Digital learning systems now charge students for access codes needed to complete coursework,take quizzes,and turn in homework.As universities go digital，students are complaining of a new hit to their finances that’s replacing一and sometimes joining-expensive textbooks:pricey online access codes that are required to complete coursework and submit assignments.[B]The codes—which typically range in price from$80 to$155 per course-give students online access to systems developed by education companies like McGraw Hill and Pearson。

These companies，which long reaped big profits as textbook publishers，have boasted that their new online offerings，when pushed to students through universities they partner with,represent the future of the industry.[C］But critics say the digital access codes represent the same profit—seeking ethos(观念）of the textbook business,and are even harder for students to opt out ofWhile they could once buy second-hand textbooks，or share copies with friends,the digital systems are essentially impossible to avoid.[D]“When we talk about access code we see it as the new face of the textbook monopoly(垄断），a new way to lock students around this system，"said Ethan Senack，the higher education advocate for the U.S。

Public Interest Research Group,to BuzzFeed News.“Rather than＄250（for a print textbook）you’re paying＄120,”said SenackBut because it’s all digital it eliminates the used book market and eliminates any sharing and because homework and tests are through an access code,it eliminates any ability to opt out[E］Sanna Harper，a 19-year-old student at Virginia Tech,was faced with a tough dilemma when she first started college in 2015—pay rent or pay to turn in her chemistry homework.She told BuzzFeed News that her freshman chemistry class required her to use Connect，a system provided by McGraw Hill where students can submit homework,take exams and track their grades。