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【简答题】
完形填空。 The concept of solitude (独处) in the digital world is almost non-existent. In the world of digital technology, e-mail, social networking and online video games, information is meant to be 1 . Solitude can be hard to discover 2 it has been given up. In this respect, new technologies have 3 our culture. The desire to be connected has brought solitude to a(n) 4 as we've known it. People have become so 5 in the world of networks and connections that one can often be contacted 6 they'd rather not be. Today we can talk, text, e-mail, chat and blog (写博客), not only from our 7 , but from our mobile phones as well. Most developed nations have become 8 on digital technology simply because they've grown accustomed to it, and at this point not 9 it would make them an outsider. 10 , many jobs and careers require people to be 11 . From this point of view, technology has changed the culture of work. Being reachable might feel like a 12 to those who may not want to be able to be contacted at all times. I suppose the positive side is that solitude is still possible for anyone who 13 wants it. Computers can be shut 14 and mobile phones can be turned off. The ability to be 'connected'and ' on'has many 15 , as well as disadvantages. Travelers have ended up 16 on mountains, and mobile phones have saved countless lives. They can also make people feel 17 and forced to answer unwanted calls or 18 to unwanted texts. Attitudes towards our connectedness as a society 19 across generations. Some find today's technology a gift. Others consider it a curse. Regardless of anyone's view on the subject, it's hard to imagine what life would be like 20 daily advancements in technology. (     )1. A. updated (     )2. A. though (     )3. A. respected (     )4. A. edge (     )5. A. sensitive (     )6. A. even if (     )7. A. media (     )8. A. bent (     )9. A. finding (     )10. A. Also (     )11. A. connected (     )12. A. pleasure (     )13. A. slightly (     )14. A. out (     )15. A. aspects (     )16. A. hidden (     )17. A. trapped (     )18. A. turn (     )19. A. vary (     )20. A. beyond B. received B. until B. shaped B. stage B. intelligent B. only if B. computers B. hard B. using B. Instead B. trained B. benefit B. hardly B. down B. weaknesses B. lost B. excited B. submit B. arise B. within C. shared C. once C. ignored C. end C. considerate C. as if C. databases C. keen C. protecting C. Otherwise C. recommended C. burden C. merely C. up C. advantages C. relaxed C. confused C. object C. spread C. despite D. collected D. before D. preserved D. balance D. reachable D. if only D. monitors D. dependent D. changing D. Somehow D. interested D. disappointment D. really D. in D. exceptions D. deserted D. amused D. reply D. exist D. without
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【简答题】同学为了测定黄铜屑(由锌和铜形成的合金)样品组成.取了50g样品与足量稀硫酸反应,生成了1g氢气.试计算黄铜中铜的质量分数.
【判断题】除另有规定外,流浸膏每1g相当于原药材1g。( )
A.
正确
B.
错误
【单选题】下列对含豆豉、神曲等发酵成分的固体制剂微生物限度标准的叙述,错误的是
A.
细菌数每1g不得过100000个
B.
细菌数每1g不得过1000个
C.
霉菌和酵母菌数每1g不得过500个
D.
大肠埃希菌每1g不得检出
E.
大肠菌群每1g应小于100个
【单选题】流浸膏的浓度为
A.
每1ml相当于原药材1g
B.
每1g相当于原药材1g
C.
每1ml相当于原药材2~5g
D.
每1g相当于原药材2~5g
E.
每5g相当于原药材2~5g
【简答题】任何生物样品中每1g元N的存在,就表示大约有100/16=6.25g蛋白质的存在, 6.25常称为 [填空(1)] 。A. 蛋白质系数
【单选题】反侵略战争失败的根本原因是
A.
社会制度的腐败
B.
经济技术的落后
C.
官员贪污腐败
D.
最高统治者无能
【简答题】每lml相当于原药物1g
【单选题】菌落总数的数值是指
A.
整个样品的细菌数
B.
1ml 样品中的细菌数
C.
10g 样品中的细菌数
D.
1g 样品中的细菌数
【简答题】从某考古文物中提取1g碳样品,测得该样品在20h的时间间隔中有7900个 14 C原子发生衰变;而在同一时间间隔中,1g新制备的碳样品中有18400个 14 C原子发生衰变。计算该考古样品的年代。已知 14 C原子衰变为一级反应,速率常数k=1.21×10 -4 a -1 。
【简答题】假定一个计算机系统中有一个TLB和一个L1 data cache。该系统按字节编址,虚拟地址16位,物理地址12位;页大小为128B,TLB为四路组相联,共有16个页表项;L1 data cache采用直接映射方式,块大小为4B,共16行。在系统运行到某一时刻时,TLB、页表和L1 data cache中的部分内容(用十六进制表示)如下: 虚拟地址中哪几位表示虚拟页号?哪几位表示页内偏移量?虚拟页...
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