总第568期高二7版测试答案与解析：
D1 1-4 CBCB
D2 1. beer 2. weekend 3. make room for 4. activities 5. celebration 6. mugs 7. fine 8. smoked 9. traditional 10. socks
D3 1-4 BBDB
D4 1-5 DAB
D5 1-5 BDACD 6-10 CCDCB 11-15 ADACA 16-20 DABBB
答案解析
D1
1. C. 根据Citizen (公民) journalism, as it is known, means ordinary non-journalists reporting the news around them in text, images, or video和Some news companies such as Al Jazeera, based in Qatar, have hired citizen journalists to take videos and report in countries where access is difficult可知C项正确。A是传统的投稿方式。而B，D两项则算不上新闻报道。
2. B. 根据Social media sites such as Weibo and Twitter are already popular with citizen journalists, but the content can’t always be trusted可知作者对于微博等网络社交媒体上的citizen journalism持谨慎态度。
3. C. 根据With their smart phone app, you can upload your pictures straight away, and maybe even beat the pros (职业选手) at their own game可知C正确。A项表述错误，StoryMaker让使用者能够体验专业新闻制作的过程，但并没有提到有专业新闻工作者提供指导，B项的陈述和事实正好相反，“Assignment Desk” feature这一功能是由CNN提供选题，报道者在这些选题中挑选进行报道。根据One of the best things about CNN iReport is that by working together with many other citizen journalists, you can cover the news together and watch how it develops over time可知D项错误。
4. B. 纵观全文，主要介绍了citizen journalism在当今世界蓬勃发展的现状并且介绍了相关领域三款比较实用的app软件应用程序。
D3
1. B. 根据Yet impossible as some of these things may seem, they’re closer to reality than you might think.可知第一段中作者想象了未来3D打印技术普及后人们日常生活的场景。这并不是真实生活中的情景，里面的技术也不一定是真实存在的。
2. B. 根据The idea of 3D printing is to produce complicated shapes in a very personalized (个性化的) way.可知B正确。根据If you want to make a totally new object, you need to make a virtual (视觉的) design in a CAD (computer aided design) file first可知C项太绝对。根据the 3D printer makes paper-thin slices (切片) out of liquid, plastic or metal and puts them together to create the object you want可知D项错误。
3. D. 根据It is not yet clear how long it will take until 3D printers are available to everyone可知D正确。根据Even big companies are behind the trend可知C错误。A, B两项的描述文中均没有提到。
4. B. 纵观全文以及最后一句But one thing is for sure: the possibilities are endless可知作者介绍了3D打印技术的发展前景，字里行间都充满了期待。
D4
1. D. 根据I remember that hospital as a place of despair (绝望)以及后文的叙述可知比尔盖茨在访问的过程中被医院悲惨的场景震惊。但是他并没有为之灰心丧气，而是致力于进一步开发新的抗结核病药物。
2. A. 根据There was one floor just for children, including some babies lying in bed.可知A项正确。根据They had a little school for kids who were well enough to learn, but many of the children couldn't make it可知B项错误。根据It was a giant open ward (病房), with a sea of patients shuffling (拖着步子走) around in pajamas, wearing masks.可知C项错误，病人在医院内部的行动并没有收到严格的限制。根据She wasn't going to live much longer, but there were plenty of MDR patients waiting to take her bed when she vacated (腾出) it可知D项错误，很多病人只能在医院里度过生命的最后时光，而医院外面还有很多病人在排队等待。
3. B. 根据Optimism is often dismissed as false hope可知比尔盖茨相信只要抱着乐观的信心努力，就一定会取得进步。人们不应被表面上无望的现实吓住。
D5
1. B. 根据前面的On the night we arrived可知作者是到达志愿者服务救助现场后才发现受助者的情况的。
2. D. 根据后文的to build a new house可知这家人居住的拖车情况很差。
3. A. 根据another surfaced可以推测此处是转折关系。
4. C. 根据上下文可知作者想要帮助受助家庭解决问题，所以solution最恰当。
5. D. 根据当时的状况推测，作者希望做一些与众不同的事情来解决受助家庭的燃眉之急。所以necessary最合适。
6. C. 根据上文可知受助家庭条件困难，因此此处可以推测他们有了新家当然应该很兴奋。
7. C. 根据Expecting toys and other gadgets (小玩意) that children usually ask for和 “I just want a bed.”可知作者想问受助家庭的孩子们在屋子里需要什么。其他的选项从常理上不符。
8. D. 根据Expecting toys and other gadgets (小玩意) that children usually ask for和后文的“I just want a bed.”可知孩子们的回答和作者的期待不同，因此选惊讶的最合适。
9. C. 根据They were accustomed to plastic mats (垫子).可知此处应当选表示绝对否定含义的词。孩子们从来没睡过床，只能睡垫子，因此他们期望能有一张真正的床。
10. B. 根据后文的发展可知作者不辞劳苦去城里买床就是希望能够把它作为一个完美的礼物送给救助家庭的孩子们。
11. A. 此处根据上下文可知作者是去城里买床和床上用品。
12. D. 此处和第8题照应。
13. A. 看到被救助家庭很高兴，作者也难掩激动兴奋之情。
14. C. 此处和第6题相互照应。
15. A. 根据后半句the frames (框架) of the beds together可知此处是在安装床架。
16. D. 根据后文的问答内容可知Eric是在参观作者和朋友们一起安装床架。
17. A. Eric从来没用过枕头，所以此处他询问枕头的用途。
18. B. 此处和前文枕头的功用照应，因此选B。
19. B. 此处Eric惊异于枕头的柔软，最合理的动作应当是抱起枕头。
20. B. Eric一家的经历让作者一家人也收到了很大的教益，从此他们用“Do you have a pillow?”这句话来形容生活中那些急切的需求，而这句话就像一个暗号，作者全家人都明白背后的故事和其中的深意。
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