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2017年12月大学英语四级真题试题二.doc
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1、(完整版)2017年12月大学英语四级真题试题二(完整版)2017年12月大学英语四级真题试题二(完整版)Part I Writing (25 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 how to best handle the relationship parents and children. You should write at least 120 words but no more than
2、 180 words.Part II Listening Comprehension (30 minutes)说明:2017年12月大学英语四级考试全国共考了两套听力.本套的听力内容与第二套相同,因此本套听力部分不再重复给出。Part 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
3、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 i
4、n the bank more than once.Questions 26 to 35 are based on the following passage。A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some (26)_ skills that could help the treatment of human diseases。Pigeons are often seen as dirty birds and an urba
5、n (27)_ , but they are just the latest in a long line of animals that have been found to have abilities to help humans。 Despite having a brain no bigger than the (28)_ of your index finger, pigeons have a very impressive (29)_ memory。 Recently it was shown that they could be trained to be as accurat
6、e as humans at detecting breast cancer in images。Rats are often (30)_ with spreading disease rather than (31)_ it, but this longtailed animal is highly (32)_ 。 Inside a rats nose are up to 1.000 different types of olfactory receptors (嗅觉感受器),whereas humans only have 100 to 200 types。 This gives rats
7、 the ability to detect (33)_ smells. As a result, some rats are being put to work to detect TB (肺结核).When the rats detect the smell, they stop and rub their legs to (34)_ a sample is infected。Traditionally, a hundred samples would take lab technicians more than two days to (35)_ , but for a rat it t
8、akes less than 20 minutes. This rat detection method doesnt rely on specialist equipment. It is also more accurate the rats are able to find more TB infections and, therefore, save more lives.注意:此部分试题请在答题卡2上作答。A)associatedB)examineC)indicateD)nuisanceE)peakF)preventingG)prohibitingH)sensitiveI)sligh
9、tJ)specifyK)superiorL)suspiciousM)tipN)treatedO)visualSection BDirections: In this section, you are going to read a passage with ten statements attached to it。 Each statement contains information given in one of the paragraphs。 Identify the paragraph from which the information is derived。 You may ch
10、oose a paragraph more than once。 Each paragraph is marked with a letter。 Answer the questions by marking the corresponding letter on Answer Sheet 2。 Do In-Class Exams Make Students Study Harder?A I have always been a poor test-taker. So it may seem rather strange that I have returned to college to f
11、inish the degree I left undone some four decades ago。 I am making my way through Columbia University, surrounded by students who quickly supply the verbal answer while I am still processing the question。B Since there is no way for me to avoid exams, I am currently questioning what kind are the most
12、taxing and ultimately beneficial. I have already sweated through numerous inclass midterms and finals, and now I have a professor who issues takehome ones。 I was excited when I learned this, figuring I had a full week to do the research, read the texts, and write it all up. In fact。 1 was still rewr
13、iting my midterm the morning it was due。 To say I had lost the thread is putting it mildly。C As I was suffering through my week of anxiety, overthinking the material and guessing my grasp of it, I did some of my own polling among students and professors. David Eisenbach, who teaches a popular class
14、on U。S. presidents at Columbia, prefers the in-class variety. He believes students ultimately learn more and encourages them to form study groups。 “That way they socialize over history outside the class,which wouldnt happen without the pressure of an in-class exam,” he explained. “Furthermore,inclas
15、s exams force students to learn how to perform under pressure, an essential work skill。”D He also says there is less chance of cheating with the inclass variety. In 2012, 125 students at Harvard were caught up in a scandal when it was discovered they had cheated on a take-home exam for a class entit
16、led “Introduction To Congress ” Some colleges have what they call an honor code/ though if you are smart enough to get into these schools, you are either smart enough to get around any codes or hopefully, too ethical to consider doing so. As I sat blocked and clueless for two solid days。 I momentari
17、ly wondered if I couldnt just call an expert on the subject matter which I was tackling,or someone who took the class previously, to get me going.E Following the Harvard scandal,Mary Miller, the former dean of students at Yale, made an impassioned appeal to her schools professors to refrain from tak
18、e-home exams. “Students risk health and well being, as well as performance in other end-ofterm work, when faculty offers takehome exams without clear, timelimited boundaries, she told me。 “Research now shows that regular quizzes,short essays, and other assignments over the course of a term better en
19、hance learning and retention.”F Most college professors agree the kind of exam they choose largely depends on the subject. A quantitativebased one, for example, is unlikely to be sent home, where one could ask their older brothers and sisters to help. Vocational-type classes,such as computer science
20、 or journalism, on the other hand, are often more researchoriented and lend themselves to takehome testing. Chris Koch, who teaches “History of Broadcast Journalism at Montgomery Community College in Rockville, Maryland, points out that reporting is about investigation rather than the memorization o
21、f minute details. “In my field, its not what you know一its what you know how to find out, says Koch. “There is way too much information, and more coming all the time, for anyone to remember。 I want my s by using all the resources available to them。”G Students testform preferences vary, too, often dep
22、ending on the subject and course difficulty。 “I prefer lake-home essays because it is then really about the writing, so you have time to edit and do more research, says Elizabeth Dresser, a junior at Barnard. Then there is the stress factor. Francesca Haass, a senior at Middlebury, says, “1 find the
23、 inclass ones are more stressful in the short term, but there is immediate relief as you swallow information like mad,and then you get to forget it all. Takehomes require thoughtful engagement which can lead to longer term stress as there is never a moment when the time is up。” Meanwhile, Olivia Rub
24、in, a sophomore at Emory, says she hardly even considers takehomes true exams。 “If you understand the material and have the ability to articulate (说出)your thoughts, they should be a breeze。”H How students ultimately handle tests may depend on their personal testtaking abilities. There are people who
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