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Dear Tom£¬
How time flies!It has been almost a year since your last visit£®
Last Sunday£¬I paid visit to one of the scenic spot in my hometown£®The moment I reached the gate£¬I was puzzled by a sign£¬that reads"Import"£®"What does it mean£¿"I asked me£®It suddenly dawned on me that it referred"Entrance"£®I had a good laugh over it£®When I came to the exit£¬I was shocked by another word"Export"£®It was then that I feel obliged to do something about it£®
Given the fact is that you are expert in English£¬I sincerely invite you to my hometown during the summer vacation£®I'm firm convinced that you are more than delighted to do your part in promote the standard English£®Let's make joint efforts to correct the shabby English£¬and undoubtedly it must be fun or meaningful£®
I am looking forward to your reply£®
Yours£¬
Li Hua£®

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½â´ð Dear Tom£¬
How time flies!It has been almost a year since your last visit£®
Last Sunday£¬I paid¡Ävisit to one of the scenic spot in my hometown£®The moment I reached the gate£¬I was puzzled by a sign£¬that reads"Import"£®"What does it mean£¿"I asked me£®It suddenly dawned on me that it referred¡Ä"Entrance"£®I had a good laugh over it£®When I came to the exit£¬I was shocked by another word"Export"£®It was then that I feel obliged to do something about it£®
Given the fact is that you are expert in English£¬I sincerely invite you to my hometown during the summer vacation£®I'm firm convinced that you are more than delighted to do your part in promote the standard English£®Let's make joint efforts to correct the shabby English£¬and undoubtedly it must be fun or meaningful£®
I am looking forward to your reply£®
Yours£¬
Li Hua£®
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7£®È¥µôis ¿¼²é¾ä×ӽṹ£®factµÄ´Ó¾äthat you are expert in EnglishÊÇͬλÓï´Ó¾ä£¬¶Ôfact½øÐв¹³ä˵Ã÷£¬²»ÐèÒª¶¯´Êis£®
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9£®From losing weight to quitting smoking£¬each December people around the world make a New Year's resolution£¨¾öÐÄ£©£®But studies have shown that despite their best effort£¬most will fail£®
Professor Peter Herman£¬a psychology lecturer at the University of Toronto says that the reasons why resolutions fail are clear£®"They are not realistic in some or all of the following respects£ºpeople think that they can change themselves more quickly£» they think that they can change much more than anyone else£» or they think they can change everything more easily£®"
Professor Herman suggests that the issue may be a cycle of failure and renewed effort£®which he calls"the false-hope syndrome"£¨ÐéÍýÆÚÅÎ×ÛºÏÕ÷£©£®The cycle begins with a difficult self-change task£®such as overeating or smoking-common yet rarely successful changes£®While people may make some initial progress in the task£¬eventually they fail to achieve their goal£®Having failed£¬they interpret their failure to convince themselves that with a few adjustments they will succeed£®Finally£¬they begin to embark on another attempt£¬and the cycle repeats£®
In his paper on the topic£¬Professor Herman and his co-author£¬Janet Polivy£¬write£¬"People tend to make the same resolutions year after year£¬vowing on average l0 times to get rid of a particular vice £¨¶ñÏ°£©£®"Obviously£¬every renewed vow represents a certain failure£» otherwise£¬there would be no need for yet another attempt£®Equally obviously£¬unsuccessful attempts do not decrease the chance of making future palls for self-change£®Even those who are finally successful at sticking to their resolutions make the attempt five or six times on average before succeeding£®
Expecting to make a breakthrough is not a good way£¬so Professor Herman says that the best way of sticking to your resolution is to expect the changes little by little rather than a major transformation£®He told Mail Online£¬"Often this means scaling back £¨Ëõ¼õ£© your resolution to something that is actually manageable£®"

32£®Why do most people fail in their New Year's resolutions according to Professor Herman£¿B
A£®They doesn't do their best at all£®
B£®They make unrealistic resolutions£®
C£®They want to stay unchanged£®
D£®They change them frequently£®
33£®What does the underlined part"embark on"in Paragraph 3 probably mean£¿A
A£®Undertake£®B£®Abandon£®C£®Welcome£®D£®Represent£®
34£®How can you achieve your New Year's resolutions in Professor Herman's opinion£¿C
A£®Set a big resolution£®
B£®Make a breakthrough£®
C£®Expect gradual changes£®
D£®Believe in yourself£®
35£®What may be the best title for the text£¿D
A£®Actions Speak Louder Than Words   
B£®Think Twice Before You Do
C£®A Bargain Is a Bargain     
D£®Good Plan Is Half Done£®
6£®Modem technology has a strong influence on many things we do£®In fact£¬technology is shaping almost every part of our day-to-day existence£¬including education£®Ashok Goel is a professor at the Georgia Institute of Technology£®Every term over 300 graduate students take his class on artificial intelligence £¨AI£©£®The students never meet in person£®All of the classes take place online-through a website£®
Having hundreds of students in a class means Ashok Goel has to answer thousands of questions£®He has eight teaching assistants to help him£®But even that is not enough to give all the students the help they need£®So£¬in January£¬he decided to try an experiment£®At the start of the spring 2016semester£¬he added a new member to his teaching team£ºJill Watson£®She was able to answer questions faster than most other teaching assistants£®And she was available 24 hours a day£®It was only at the end of the semester that God's students learned Watson's secret£ºshe was not a real person£®Jill Watson is an AI computer program£®Goel says only two students came close to predicting Watson's true identity£®He was worried about telling his students because he thought they would not like being part of the experiment£®But once they learned Watson's identity£¬they became very excited£®
"Then£¬you know what happened£¿They not only asked that question about Jill£¬"Is she an AI£¿'Once the identity of Jill was revealed they also asked if I was an AI£®"
Goel now uses Watson in two other classes£¬but still does not tell his students which of his teaching assistants is a computer program£®He hopes this technology will make it easier for teachers to create their own programs to use in and outside the classroom£®

28£®How does Goel give his students help£¿A
A£®Through the Internet£®
B£®By writing to them£®
C£®By face-to-face teaching£®
D£®Through books£®
29£®Why did Goel decide to try an experiment£¿B
A£®Because some questions were difficult to answer£®
B£®Because it was hard to satisfy students'need£®
C£®Because it was too tired to answer those questions£®
D£®Because he wanted to improve students'self-study ability£®
30£®What's the students'response to Jill Watson£¿C
A£®Surprised£®
B£®Indifferent£®
C£®Excited£®
D£®Shocked£®
31£®What's the best title of the passage£¿A
A£®Technology Makes Education Easier£®
B£®Ashok Goel£¬a Professor Shaping Education£®
C£®Jill Watson£ºan Excellent Teaching Assistant£®
D£®The Internet Has a Strong Impact on Our Life£®
13£®ÔĶÁÏÂÃæ²ÄÁÏ£¬ÔÚ¿Õ°×´¦ÌîÈëÊʵ±µÄÄÚÈÝ£¨1¸öµ¥´Ê£©»òÀ¨ºÅÄÚµ¥´ÊµÄÕýÈ·ÐÎʽ£®
I was nine years old when I learnt to ride a bike£®The bike was a birthday present from my uncle£®You can imagine how £¨41£©excited£¨excite£© I was when I saw the bike£¬and I begged my uncle to teach me how £¨42£©to ride£¨ride£© it right away£®However£¬before I got on the bike£¬I felt £¨43£©extremely£¨extreme£©  nervous and l  was  afraid  that l  would  fall  off and hurt £¨44£©myself £¨me£©£®My uncle held onto the seat and helped me to get £¨45£©on the bike£®While l was riding£¬he was running along beside me£¬holding the seat so I would not fall over£®I was so £¨46£©grateful£¨grate£© to him for his help£®
As I was practicing£¬I became more and more confident£®Then£¬I heard my uncle shouting£¬"You are riding it by yourself now!"I was both excited and scared£®I was really riding by myself£¬but £¨47£©what if I fell off£¿Could I use the brakes to stop£¿As I was wondering about this£¬my uncle ran after me and got hold of the bike£®I £¨48£©slowed£¨slow£© down and came to a stop£®My heart was still beating fast when I got off the bike£®£¨49£©Later£¨late£© that day£¬having learnt how to get on the bike and get off it£¬I felt like l was walking on air!I am still thankful to my uncle for teaching me to ride a bike on my £¨50£©ninth£¨nine£© birthday£®
3£®In a study published in the U£®S£®journal Science£¬researchers from the Chinese Academy of Agricultural Sciences£¨CAAS£© and the University of Florida identified the chemical combinations and genetic recipe for better tomato flavor£¨Î¶µÀ£©£®
"In recent years£¬consumers often complain that the modern tomato is less flavorful than it once was"said co-principal researcher Sanwen Huang£®"Our results provide a practical road map for breeding tomato varieties with better flavor£®"
For the study£¬a 170-person consumer group was created to evaluate 160 tomatoes representing 101 varieties£¬based on qualities such as"overall liking"and"flavor degree"£®The results pointed to dozens of chemical compounds of interest£¬and further research using a statistical model discovered 33 flavor compounds connected with consumer liking£¬such as glucose£¨ÆÏÌÑÌÇ£©£®The reason why modern tomatoes don't taste good anymore is that a total of 13 of these flavor-associated compounds"were significantly reduced in modern varieties£¬"their paper wrote£®Moreover£¬the researchers found that smaller fruit tended to have greater sugar content£¬suggesting that"selection for more sizable tomatoes has cost sweetness and flavor"£®
Based on this knowledge£¬Huang and Professor Harry Klee of the University of Florida studied the whole genomes of 398 varieties of tomato£¬identifying about 250 positions of genes on a chromosome£¨È¾É«Ì壩£¬which controlled tomato flavor£®
"We're just fixing what has been damaged over the last half century to push them back to where they were a century ago£¬"said Klee in a statement£®"We can make the supermarket tomato taste noticeably better£®"Klee said new tomato varieties with better flavor could be ready in three to four years£®In addition£¬"the genes and pathways identified here in the tomato almost certainly point to pathways worth researching for improvement of flavor quality in other fruit crops£¬"they wrote£®

13£®According to the text£¬the studyD£®
A£®was carried out just through a survey
B£®was conducted by Chinese researchers themselves
C£®was completely focused on the genes of different tomatoes
D£®was done with the background of declining flavor of tomatoes
14£®The researchers have found thatB in the study£®
A£®bigger tomatoes are much sweeter
B£®some genetic positions affect the taste of tomatoes
C£®some chemical compounds make tomatoes less tasty
D£®a total of 13flavor-associated compounds make tomatoes appealing in taste
15£®What is the influence of the study according to the text£¿A
A£®The study lays the foundation for further researches to improve other fruit crops'flavor£®
B£®The study makes it possible for us to have noticeably more tasty tomatoes next year£®
C£®The study provides a road for where to plant tomatoes with better flavor£®
D£®The study has fixed all the genes of existing tomatoes£®

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