1、专业英语八级（改错）模拟试卷 244及答案与解析 一、 PART III LANGUAGE USAGE 0 The most consistently identified teacher effectiveness variable is time on task. That is, the more time that students spend on learning specific academic content, the better they will learn it. Distinction is made between allocated time on task(t
2、he time that teachers allocate to particular instructional activities)and engaged time on task(the time that students actually spend engaged in instruction). Because no consistent relation has been seen between【 M1】 _ allocated time on task and academic achievement, research has demonstrated that en
3、gaged time on task is positive related to【 M2】 _ academic achievement. Strategies for maximizing engaged time on task have been identified and included effectively managing transitions, avoiding【 M3】 _ digressions and other irrelevant verbalizations, and manage【 M4】 _ classroom behavior. Sometimes,
4、teachers can improve student-engaged time on task by examining the amount of allocated time for class and monitoring their own teacher behaviors more closely. For example, teachers may find that they start classes 5 minutes late, end classes 5 minutes early, stop during the middle of class to search
5、 for relevant instructional materials, and stop to manage appropriate classroom behaviors.【 M5】 _ Once such target areas are identified, teachers can design strategies to improve each area that will lead in increasing the amount of【 M6】 _ student-engaged time on task during classes. Effective teache
6、r presentations have also been identified. Teachers minimize achievement when their presentations contain【 M7】 _ elements as structure of lesson, clarity of teacher presentation,【 M8】 _ redundancy in emphasizing important concepts, and enthusiasm. Structure includes listing students attention, provi
7、ding a lesson【 M9】 _ overview that includes lesson objectives, providing outlines of the lesson and to indicating when transitional points occur, and【 M10】 _ summarizing and reviewing key points as the lesson proceeds. 1 【 M1】 2 【 M2】 3 【 M3】 4 【 M4】 5 【 M5】 6 【 M6】 7 【 M7】 8 【 M8】 9 【 M9】 10 【 M10】
8、 10 The Internet provides an amazing forum for the free exchange of ideas. Given the relatively a few restrictions governing access【 M1】 _ and usage, it is the communications modal equivalence of【 M2】 _ international waters. However I am also troubled by the possible unintended negative consequences
9、 There has been much talk about the “new information age.“ But much is less widely reported has been the notion that the【 M3】 _ Internet may be responsible for furthering the fragment of society【 M4】 _ by alienating its individual users. At first this might sound like an apparent contradiction: how
10、 can something which is on the one【 M5】 _ hand responsible for global unification by enabling the free exchange of ideas alienate the participant?【 M6】 _ I had a recent discussion with a friend of mine who has what he described as a “problem“ with the Internet. When I questioned about him further he
11、 said that he was “addicted,“ and has “forced“【 M7】 _ himself to go off-line. He said that he felt like an alcoholic, in that moderate use of the Internet was just possible for him. I have not【 M8】 _ known this fellow to be given to exaggeration, therefore when he described his internet binges, when
12、 he would spend over twenty-four hours on line non-stop, it gave me pause to think. He said, “the Internet isnt true, but I was spending all my time on【 M9】 _ line, so I just had to stop.“ He went on to say that all of the time that he spent on line might have skewed his sense of reality, and that i
13、t made him feel lonely and depressing.【 M10】 _ 11 【 M1】 12 【 M2】 13 【 M3】 14 【 M4】 15 【 M5】 16 【 M6】 17 【 M7】 18 【 M8】 19 【 M9】 20 【 M10】 20 I was in northern Kenya, which is suffering through the worst drought to hit the Horn of Africa in 60 years. The toll of deprivation is everywhere. In the vill
14、age of Kursin, emaciated livestock is collapsing in the middle of town; the local headmaster,【 M1】 _ Ismael Ali, told me theyve “had a problem with dead carcasses around the school.“ Attendance has dropped sharply at the【 M2】 _ beginning of the year, as many families left with the parched【 M3】 _ reg
15、ion with their flocks, some even crossed into war-torn Somalia【 M4】 _ in search of food. The drought has been mounting for a year, but it wasnt until the crisis peaked over the summer that the news media and most international donors took notice. Its a familiar cycle: first comes【 M5】 _ the news med
16、ia pictures of emaciated infants, followed by conferences on how to do better next time, visitors from top-level【 M6】 _ government officials and large financial commitments from international organizations and even donors like China and the Ikea Foundation. The United States Agency for International
17、 Development and the Ad Council have even begun a celebrity public service campaign with the actors Uma Thurman and Josh Hartnett. This is good news; the assistance is badly needed. Yet the mismatch in timing rises a question that bedevils aid agencies.【 M7】 _ Like earthquakes or hurricanes, drought
18、s and food price increases【 M8】 _ take time to develop, and the resulting hunger crises are forecast well in advance. From water harvest to livestock support to cash【 M9】 _ assistance, there are a plenty of steps that have moderated the【 M10】 _ current crisis. Why werent they taken? 21 【 M1】 22 【 M2
19、 23 【 M3】 24 【 M4】 25 【 M5】 26 【 M6】 27 【 M7】 28 【 M8】 29 【 M9】 30 【 M10】 30 If you were starting a top university today, what would it look like? You would start by gathering very best minds from【 M1】 _ around the world, from every discipline. Since were living in an age of abundant, not scarcely,
20、 information, you d curate the【 M2】 _ lectures carefully, with a focus on the new and original, rather than offer a course on every possible topic. You d create a sustainable economic model by focusing on technological rather than physical infrastructure, and by getting people of mean to【 M3】 _ pay
21、for a specialized experience. You d also construct a robust network so people could access to resources whenever and from【 M4】 _ wherever they like, and you d give them the tools to collaborate beyond the lecture hall. Why not fulfill the university【 M5】 _ millennium-old mission by sharing ideas fre
22、ely and as widely as【 M6】 _ possible? If you did all that, well, youd have TED. Its faculty: A roster of speakers that run from Bill Clinton to【 M7】 _ J.J. Abrams, from Desmond Tutu to Isabel Allendeanyone whos driving change across the globe. Their topics range from biophysics to graphic design, co
23、vering all what Roman【 M8】 _ playwright Terentius might have had on mind when he said,【 M9】 _ “Nothing human is alien to me.“ The economic model? With attendance fees, advertising, and corporate sponsorships, TED ran an operating surplus of more than $2 million last year, which was reinvested into e
24、xpanding its reach. Thats because like【 M10】 _ fearful old-school colleges, TED is finding that the more open it is, the more it becomes the global education brand of the 21st century. 31 【 M1】 32 【 M2】 33 【 M3】 34 【 M4】 35 【 M5】 36 【 M6】 37 【 M7】 38 【 M8】 39 【 M9】 40 【 M10】 专业英语八级（改错）模拟试卷 244答案与解析
