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⑨.D【解析】本题主要考查利用废铁屑生产碱式硫酸铁的工艺流程，侧重考查学生对元素化合物知识的理解能力和综合运用能力。稀硫酸浸取过量废铁屑后所得到的溶液中含有的阳离子有H+、F㎡+及少量A3+(点拨：加入稀硫酸后主要发生反应：FE十2H+一Fe㎡+十H2个、Al2O3十6H+—2A13+十3H2O、F2O3十6H—2Fe3++3H2O、Fe十2Fe3+—3Fe2+),A项正确；Fe3+能水解生成氢氧化铁[Fe3+十3H2O、→Fe(OH)3十3H+,加入稀硫酸，水解平衡逆向移动，可抑制F3+的水解，B项正确；“反应Ⅱ”中有NO生成，N元素化合价降低，则NaNO2是氧化剂，将Fe2+氧化成Fe3+,反应的离子方程式为Fe2+十NO2十2H+一Fe3+十NO个十H2O,C项正确；O2与NaNO2在反应中均作氧化剂，消耗1molO2可得到4mol电子，消耗1molNaNO2可得到1mol电子，故每消耗112mL(标准状况)O2相当于节约了1.38 g NaNO2,D项错误。
The world’s richest man might seem to have it all，but Bill Gates has one regret．The self-made billionaire said he felt stupid for not knowing any foreign languages．
Speaking in his third Ask Me Anything question-and-answer session for online forum Reddit(红迪网)，the Microsoft founder said that he wished he spoke French，Arabic or Chinese．
He said：“I took Latin and Greek in high school and got A’s and I guess it helps my vocabulary．I keep hoping to get time to study one of these—probably French because it is the easiest．I did Duolingo for a while but didn’t keep it up．”
Gates，who is worth $79．3 billion，praised Facebook founder Mark Zuckerberg for surprising an audience in Beijing when he spoke fluent Chinese．“Mark Zuckerberg amazingly leamed Chinese and did a Q&A with Chinese students—unbelievable，isn’t it?”he said．
This isn’t the first time for Gates to admit his regret over language．He also showed his habits at home and personal insights．
Last February, Gates said he likes to do the dishes himself—to his own special standards every night and also told the interviewer that his wife，Melinda，would likely want Samuel L．Jackson to play her husband in a biopic(传记片)．
He also admitted that he would pick up a $100 bill if he found it on the street．
As he took the top spot on Forbes(福布斯)28th Annual Billionaires list last year for the fourth time，he said he is pretty basic when it comes to so ending on clothes and food，but that he enjoys investing in shoes and racquets(球拍)when he plays tennis．
When asked a life lesson he had to learn the hard way，the billionaire said staying up too late is a habit he is still trying to break．‘‘Don’t stay up too late even if the book is really exciting．You will regret it in the morning．Pam still working on this problem，”he said．
1.Which of the following can be the best title for the passage?
A．An Interview with Bill Gates
B．How Bill Gates Succeeded
C．Bill Gates’Regret
D．The Richest Billionaire
2.The underlined part in Paragraph 8 may actually mean that_____．
A．it is important to lay a good foundation of life
B．food and clothing are basic needs for people’s life
C．he doesn’t spend much money on food and clothes
D．he never cares about buying food and clothing
3.What advice did Bill Gates give?
A．Avoid staying up too late．
B．Be a good language learner．
C．Do the dishes yourself at home．
D．Pick up the $100 bills in the streets．
4.Which of the following is true according to the passage?
A．Bill Gates is also the founder of Facebook
B．Bill Gates topped the list of Forbes 28 times．
C．Bill Gates was good at learning languages in high schoo1．
D．Bill Gates’wife wants Samuel to play a game with Gates．
试题答案
1.C
2.C
3.A
4.C
【解析】
试题分析：文章主要讲了盖茨给人们分享的关于生活的一些见解，他很后悔没有掌握几门外语。
1.标题判断题。文章主要讲了盖茨后悔的事情。故选C。
2.猜测句意题。画线句子意为：吃穿用品保持在基本水平，也就是说盖茨不会花过多的钱在吃穿上面。故选C。
3.细节理解题。根据文章最后一段可知盖茨给人们的建议是不要熬夜。故选A。
4.细节理解题。根据文章第三段第一句I took Latin and Greek in high school and got A’s and I guess it helps my vocabulary．可知盖茨的外语成绩很优秀。故选C。
考点：考查人物传记类短文阅读
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