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PART V READING COMPREHENSION [35 MIN] SECTION A MULTIPLE-CHOICE QUESTIONS In this section there are several passages followed by ten multiple-choice questions. For each question, there are four suggested answers marked [A],[B],[C]and[ D]. Choose the one that you think is the best answer and mark your answers on ANSWER SHEET TWO PASSAGE ONE (1) Surveys by Forrester Research show that individuals all over the world are using cloud technologies to store their personal and work stuff: files, contacts, photos, music, and videos. In Europe and the U.S. , 61% and 77% of online adults respectively use one or more of these services. As a result, there's now a new Internet gold rush to help you build your digital self---to help you access, manage and benefit from your digital information, using any smartphone, tablet, PC, or web browser. (2)Once your digital self is stored in online services, it becomes possible for providers to serve you with not only automated storage but advice. These providers do things such as automatically uploading your digital photos, synchronising your contacts everywhere and automatically assembling your expense report from photos, scans or emails of receipts. Or even advising you on the right financial strategy or workout times, based on your spending logs and work calendar. (3)The companies offering these services are a mix of leading startups, big tech companies and new players. For example, Phil Libin created Evernote to help you remember everything easily, after he grew frustrated at fiddling with files to organise information from work and home. Now Evernote has 45m accounts and a new deal to serve Telefonica's wireless customers worldwide. When you enter new notes, Evernote suggests related notes from your notebooks and those of co-workers you're linked to. (4)Drew Houston started Dropbox to give you access to computer files everywhere---motivated by his experience of needing files from his other computer. Dropbox aims to be your file system on any gadget, so you can easily find, share and save files no matter what browser or device you're using. (5)Manilla, Doxo and Volly are variations on the idea of helping you organise and manage your bills and statements on one central website for free. Your providers get more people using digital services instead of paper, plus the chance to offer you better services based on your usage and needs, based on analysing your actually financial records. (6) Apple's iCloud, Microsoft's Sky Drive, and Google Drive all aim to organise and store your key digital information online. Having all that stuff online makes new assistance and advice possible. (7) Based on our research, we expect the battle to serve our digital selves to unfold over the next six years. Competitors big and little are jockeying for position, but none have a big head start. Individuals will come to be defined as much by where they store their digital selves as what their nationality is.Your choice of who to trust with the myriad details of your life in return for proactive services will be seen as a defining choice, just like choosing where to live or what kind of car to drive. The big American Internet companies, major telcos, retailers and financial companies, and even some governments will compete to be the digital butler for the web of services that make up your digital self. Who you choose will define you, Will you become a Google, a BT, a Carrefour or a Baidu? Your choices will remake the power dynamics of the online world.
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【判断题】变性的蛋白质沉淀,沉淀的蛋白质都变性
A.
正确
B.
错误
【单选题】对于火灾烟气变化依赖因素,不属于其变化的依赖因数是()
A.
热量产生速率
B.
燃烧产物组分生成速率
C.
环境温度
D.
燃烧产物与空气混合
【单选题】全彩的连续色调、没有明显边的图像、风景照等,适合选择图像文件的格式是()。
A.
GIF
B.
PSD
C.
BMP
D.
JPG
【单选题】下面不属于火灾烟气变化依赖因素的是( )
A.
热量产生速率
B.
燃烧产物组分的生成速率
C.
环境温度
D.
燃烧产物与空气的混合过程
【判断题】上衣的门里襟叠合后纽扣的中心应落在搭门线上。
A.
正确
B.
错误
【单选题】苹果矮化自根砧水平压条繁育时,母株栽植的倾斜角度是( )
A.
15°
B.
30°
C.
.45°
D.
60°
【单选题】对于火灾烟气变化依赖因素,不属于其变化的依赖因素是()。
A.
热量产生速率
B.
燃烧产物组分生成速率
C.
环境温度
D.
燃烧产物与空气混合
【判断题】一般变性的蛋白质都产生沉淀现象,而沉淀的蛋白质一定是变性蛋白质
A.
正确
B.
错误
【单选题】下列哪个酶要求有引物才能发挥作用
A.
限制性内切核酸酶
B.
DNA连接酶
C.
末端转移酶
D.
反转录酶
【多选题】下列各项直接影响火灾烟气变化的因素有( )。
A.
热量产生速率
B.
燃烧产物组分的生成速率
C.
空气的供应速率
D.
燃烧产物的光学效果
E.
火灾燃烧空间及燃烧空间的开口因子
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