2016年12月大学英语四级考试真题(第3套)Part IWriting(30 minutes)Directions: For this part, you are allowed 30 minutes to write an essay. Suppose you have twooptions upon graduation: one is to work in a state-owned business and the other in ajoint venture. You are to make a choice between the two. Write an essay to explain thereasons for your choice.You should write at least 120 words but no more than 180words.Part IIListening Comprehension(25 minutes）说明：由于2016年12月四级考试全国共考了2套听力，本套真题听力与前2套内容完全一样，只是顺序不一样，因此在本套真题中不再重复出现。Part Reading Comprehension (40 minutes）Section ADirections: In this section, there is a passage with ten blanks. You are required to select one wordfor each blank from a list of choices given in a word bank following the passage. Read thepassage through carefully before making your choices.Each choice in the bank isidentified by a letter. Please mark the corresponding letter for each item on AnswerSheet 2 with a single line through the centre. You may not use any of the words in thebank more than once.Questions 26 to 35 are based on the following passage.Many men and women have long bought into the idea that there are male and female brains,believing that explains just about every difference between the sexes. A new study26that belief,questioning whether brains really can be distinguished by gender.In the study, Tel Aviv University researchers27for sex differences throughout the entirehuman brain.And what did they find? Not much. Rather than offer evidence for28brains as male orfemale, research shows that brains fall into a wide range, with most people falling right in themiddle.Daphna Joel, who led the study, said her research found that while there are some gender-based29, many different types of brain cant always be distinguished by gender.While the average male and average female brains were30different, you couldnt tell itby looking at individual brain scans. Only a small31of people had all-male or all-femalecharacteristics.Larry Cahill, an American neuroscientist ( 神经科学家), said the study is an important addition toa growing body of research questioning32beliefs about gender and brain function. But hecautioned against concluding from this study that all brains are the same,33of gender.Theres a mountain of evidence34the importance of sex influences at all levels of brainfunction, he told The Seattle Times.If anything, he said, the study35that gender plays a very important role in the brain- evenwhen we are not clear exactly how. A.abnormalB.appliedC.brieflyD.categorizingE.challengesF.figureG.percentageH.provingI.regardlessJ.searchedK.similaritiesL.slightlyM.suggestsN. tastes0.traditionalSection BDirections：In this section，you are going to read a passage with ten statements attached to it. Eachstatement contains information given in one of the paragraphsIdentify the paragraphfrom which the information is derivedYou may choose a paragraph more than onceEach paragraph is marked with a letterAnswer the questions by marking thecorresponding letter on Answer Sheet 2Can Burglars Jam Your Wireless Security System?A.Any product that promises to protect your home deserves careful examinationSo it isnt surprising thatyou11 find plenty of strong opinions about the potential vulnerabilities of popular homesecurity systemsB.The most likely type of burglary(人室盗窃)by far is the unsophisticated crime of opportunity，usuallyinvolving a broken window or some forced entryAccording to the FB1crimes like these accounted forroughly twothirds of all household burglaries in the US in 2013The wide majority of the rest were illegalunforced entries that resulted from something like a window being left openThe odds of a criminal usingtechnical means to bypass a security system are so small that the FBI doesnt even track those statisticsC.One of the main theoretical homesecurity concerns is whether or not a given system is vulnerable to beingblocked from working altogetherWith wired setups，the fear is that a burglar(人室盗贼)might be ableto shut your system down simply by cutting the right cableWith a wireless setupyou stick batterypowered sensors up around your home that keep an eye on windows。doors，motion，and moreIf theydetect something wrong while the system is armedtheyll transmit a wireless aleft signal to a base station that will then raise the alarmThat approach will eliminate most cordcutting concerns-but what abouttheir wireless equivalent，jamming?with the fight device tuned to the fight frequency，whats to stop athief from jamming your setup and blocking that alert signal from ever reaching the base station?D.Jamming concerns are nothing new，and theyre not unique to security systemsAny device thats built toreceive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on thesame frequencyFor comparison1ets say you wanted to“jam”a conversation between two