皮皮学,免费搜题
登录
搜题
【简答题】
Human beings havealways had an ability to attend to several things at once. Nor is electronic multitasking entirely new:We’ve been driving while listening to car radios since they became popular inthe 1930s. but there is no doubt that multitasking has reached a kind of warpspeed in the era of Web-enabled computers, when it has become routine toconduct several IM( 及时通讯 )conversations, watch TV and use the computer all at once 。 But what ’ s the impact of this media consumption? And how are thesemultitasking devices changing how kids learn, reason and communicate with oneanother ?Social scientists and educators are just beginning to deal with thesequestions, but the researchers already have some strong opinions 。 Although multitasking kids may be better prepared in some ways fortoday ’ s fast-paced work placed, Many scientists are positively alarmed bythe trend 。 Kids that are instant messaging while doing homework, playing gamesonline and watching TV, aren ’ t going to do well in the long run 。 On the positive side, multitasking students tend to beextraordinarily good at finding and using information. And probably becausemodern childhood centers around visual( 视觉的 )rather than printmedia, they are especially skilled at analyzing visual data and images 。 Many educators and psychologists say parents need to actively ensurethat their teenagers break free of uncontrollable engagement with screens andspend time in the physical company of human beings — a growingchallenge not just because technology offers such a handy option but because somany teenagers and college students say overcommitted( 任务过量的 )schedulesdrives much of their multitasking 。 Just as important is for parents and educator to teach kids that it ’ s valuable,even essential, to occasionally slow down, unplugs and take time to enjoy life beyondthe screen 。 21. What is the main idea of this passage? A. How is multitasking define ( 定义 )in the informationage? B. How do people see new technology and the social change it bringsabout? C. How does technology change modern family life? D. What ’ s the impact of multitasking on young people? 22. The expression “ warp speed ” in the first paragraph is closest in meaning to____ 。 A. Low speed B. Too much time alone 。 C. high speed D. steady speed 23. According to some teenagers and college students ,what causestheir multitasking? A. Overcommitted schedules B. Too much time alone C. Inability to focus D. Fear of being neglected 24. According to the passage, which of the following statement isTRUE? A. Humans have begun to engage in the multitasking behaviors sincethe information age 。 B. Multitasking is a critical skill that students are required tolearn at school 。 C. Only parents can help their kids to get rid of the multitaskinghabits 。 D. multitasking may prepare students for the reality of today ’ s fast-paceswork environment 。 25. What do educators and psychologist advise parents to do theirmultitasking kids? A. To cut off home internet connection 。 B. To seek medical treatment 。 C. To encourage their kids to have some social life 。 D. to helptheir kids to set personal goals 6 、 The reflectivetowers of New York City , which is on the Atlantic migrating( 迁徙的 )route , can bedeadly for birds. “ We live in an age of glass ,” said Ms.Laurel , anarchitect. “ It can be a perfect mirror in certain lights , and thelarger the glass , the more dangerous it is. ” About 90 , 000 birdsare killed by flying into building in the city each year. Often , they strikethe lower levels of glass towers after searching for food in nearby parks. Suchcrashes are the second-leading cause of death for migrating birds , afterhabitat( 栖息地 )loss , with an estimated number of death ranging up to a billion a year. As glass office and apartment towers have increased in the lastdecade , so , too , have calls to make them less deadly to birds. San Francisco adoptedbird-safety standard for new building in July. The United States Green BuildingCouncil , a nonprofit industry group that encourages the creation ofenvironmentally conscious buildings , will introduce abird-safety credit this as part of its environmental certification process. There are no easy fixes , however. A fewresearchers are exploring glass designs that use ultraviolet( 紫外线的 )signals , but they arestill in their infancy. Covers , dot patterns , shades and net are the main options available. Often , onlly one section of a building needs to be changed. “ You don ‘ tnecessarily have to treat every window ,” Ms.Laurel said. “ It would betoo expensive to do the whole building. ” The JacobConvention Center , which has been undergoing alterations , the most recent buildingto voluntarily correct the problem of bird crashes. The architects used lessreflective glass and dot patterns. 26. What is the main idea of the passage? A. New York is a city of glass towers. B. Glass tower are dangerous for migrating birds. C. New York adopted new safety standards for buildings. D. Glass towers are a new trend in the United States. 27. What is the number one cause of death for migrating birds? A. Climate change B. Habitat loss C. Lack of food D. Crashing into buildings. 28. What does the word “ fixes ” in thethird paragraph probably mean? A. Choices B. Explanations C. Solutions D. Developments 29. _____are used in the alteration of the Jacob K. JavitsConvention Center. A. Dot patterns B. Shades C. Nets D. Covers 30. Which of the fowling statements is TRUE according to thepassage? A. In many cases , the whole building needs to be altered to prevent bird crashes. B. The Jacob K.Javits Convention Center is the first building todeal with the problem of bird crashes. C. About 90 , 000 birds are killed due to habitat loss in New York City each year. D. Unfortunately , glass designs that use ultraviolet signals are still in their earlystages.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【多选题】关于水玻璃的说法正确的是( )
A.
水玻璃又称泡花碱,是一种碱金属硅酸盐
B.
分为硅酸钠水玻璃和硅酸钾水玻璃,其中以硅酸钠水玻璃最为常用
C.
水玻璃具有良好的粘结性能,但耐酸腐蚀性差
D.
水玻璃能堵塞材料的毛细孔隙,阻止水分渗透的作用
E.
有良好的耐热性能,高温不分解,强度不降低,常用于工程中注浆堵水和岩土体加固
【单选题】下列关于水玻璃的说法错误的是( )。
A.
水玻璃又称泡花碱,是一种碱金属硅酸盐
B.
硅酸钠水玻璃最为常用
C.
水玻璃具有良好的粘结性能和很强的耐酸腐蚀性
D.
水玻璃具有较差的耐热性能,高温易分解
【单选题】《本草经集注》的作者是
A.
苏敬
B.
陈藏器
C.
陶弘景
D.
唐慎微
E.
李时珍
【单选题】下列关于水玻璃的说法错误的是( )。
A.
水玻璃又称泡花碱,是一种碱金属硅酸盐
B.
硅酸钠水玻璃最为常用
C.
水玻璃具有良好的黏结性能和很强的耐酸腐蚀性
D.
水玻璃具有较差的耐热性能,高温易分解
【判断题】硬质玻璃具有较高的热稳定性,在化学稳定性方面耐酸.崐耐碱性能好,耐水性能差(³)207.•一般玻璃和量器玻璃为软质玻璃,其热稳定性和耐腐蚀性较差
A.
正确
B.
错误
【单选题】下列关于水玻璃技术性质说法错误的是()。
A.
具有良好的粘结性能
B.
耐热性能差
C.
耐腐蚀性能强
D.
耐水性较好
【单选题】下列不属于面包的主要原料的是?
A.
面粉
B.
C.
酵母
D.
鸡蛋
【多选题】以下属于消化性溃疡攻击因子的是?
A.
胃酸过多
B.
黏液分泌
C.
幽门螺旋杆菌
D.
链球菌
E.
金黄色葡萄球菌
【单选题】缩窄性心包炎时心脏长期受瘢疤组织的束缚,可使心肌产生( )
A.
充血性水肿
B.
炎症浸润
C.
萎缩
D.
淀粉样变性
E.
脂肪变性
【简答题】食用的鱼粉的编码是__________
相关题目: