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Dear Mr£®Peter£¬
I often think of you£®How have you been recently£¿I'm Li Hua£®I am writing to express my deepest gratitude for the money and books you sent me£®I could not have returned to school without your help£®Thank you so much£®
I have been working hard since I went back to school and great progress has been made in my studies with the help of my teachers who often encourage me£®£¨¸ß·Ö¾äÐÍÒ»£©But for your help£¬I might have left school and couldn't have got such a good education£®£¨¸ß·Ö¾äÐͶþ£©I have made up my mind to study harder and make greater progress so as to bea great person asyou£®
I would like to meet you in person£¬but I haven't got an opportunity£®Grateful for your generous help£¬I am looking forward to seeing you£®£¨¸ß·Ö¾äÐÍÈý£©Hope you getting on with your life and work£®
Yours sincerely£¬
Li Hua£®

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¡¾ÁÁµã˵Ã÷¡¿±¾ÎĽṹ½ô´Õ£¬²ã´Î·ÖÃ÷£¬¶øÇÒʹÓÃÁ˶àÖÖ±í´ï£ºexpress my deepest gratitude±í´ïÎÒÉîÉîµÄ¸Ð¼¤£» with the help of ÔÚ¡­µÄ°ïÖú֮ϣ»But for your helpÒª²»ÊÇÄãµÄ°ïÖú£»make up my mind to ϶¨¾öÐÄÈ¥×öijÊ£»look forward toÅÎÍû£»
I have been working hard since I went back to school and great progress has been made in my studies with the help of my teachers who often encourage me£®£¨¸ß·Ö¾äÐÍÒ»£©
But for your help£¬I might have left school and couldn't have got such a good education£®£¨¸ß·Ö¾äÐͶþ£©
Grateful for your generous help£¬I am looking forward to seeing you£®£¨¸ß·Ö¾äÐÍÈý£©

½â´ð Dear Mr£®Peter£¬
      I often think of you£®How have you been recently£¿I'm Li Hua£®I am writing to express my deepest gratitude for the money and books you sent me£®I could not have returned to school without your help£®Thank you so much£®
      I have been working hard since I went back to school and great progress has been made in my studies with the help of my teachers who often encourage me£®£¨¸ß·Ö¾äÐÍÒ»£©But for your help£¬I might have left school and couldn't have got such a good education£®£¨¸ß·Ö¾äÐͶþ£©I have made up my mind to study harder and make greater progress so as to be a great person as you£®
      I would like to meet you in person£¬but I haven't got an opportunity£®Grateful for your generous help£¬I am looking forward to seeing you£®£¨¸ß·Ö¾äÐÍÈý£©Hope you getting on with your life and work£®
                                                                                                                                                                                        Yours Sincerely£¬
                                                                                                                                                                                                Li Hua

µãÆÀ Ó¢Óïд×÷ÊÇÒ»ÏîÖ÷¹ÛÐÔ½ÏÇ¿µÄ²âÊÔÌ⣮Ëü²»½ö¿¼²éѧÉúµÄд×÷»ù´¡¶øÇÒ»¹¿¼²éѧÉúÔÚд×÷¹ý³ÌÖÐ×ÛºÏÔËÓÃÓïÑÔµÄÄÜÁ¦£®ÔÚ׫дʱҪעÒâÖ÷νÓïÒ»Ö£¬Ê±Ì¬ºôÓ¦£¬ÓôÊÌùÇеȣ®ÒªÌá¸ßÓ¢Óïд×÷ˮƽ£¬ÐèÒªÁ½·½ÃæµÄѵÁ·£ºÒ»ÊÇÓïÑÔ»ù´¡·½ÃæµÄѵÁ·£¬ÒªÓÐÔúʵµÄÔì¾ä¡¢·­ÒëµÈ»ù±¾¹¦£¬¼´Óôʷ¨¡¢¾ä·¨µÈ֪ʶÔì³öÕýÈ·ÎÞÎóµÄ¾ä×Ó£»¶þÊÇд×÷֪ʶºÍÄÜÁ¦ ·½ÃæµÄѵÁ·ÒÔÕÆÎÕд×÷·½ÃæµÄ»ù±¾·½·¨ºÍ¼¼ÇÉ£®

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9£®Students who date in middle school have significantly worse study skills£®They are four times more likely to drop out of school and report twice as much alcohol and tobacco use as their single classmates£¬according to a new research from the University of Georgia£®
"Romantic relationships are a trademark of adolescence£¬but very few studies have examined how adolescents differ in the development of these relationships£¬"said Pamela Orpinas£¬study author and professor in the College of Public Health and head of the Department of Health Promotion and Behavior£®
Orpinas followed a group of 624 students over a seven-year period from 6th to 12th grade£®Each year£¬the group of students completed a survey indicating whether they had dated and reported the frequency of different behaviors£¬including the use of drugs and alcohol£®Their teachers completed questionnaires about the students'academic efforts£®He found some students never or hardly ever reported dating from middle to high school£¬and these students had consistently the best study skills according to their teachers£®Other students dated infrequently in middle school but increased the frequency of dating in high school£®
"At all points in time£¬teachers rated the students who reported the lowest frequency of dating as having the best study skills and the students with the highest dating as having the worst study skills£¬"according to the journal article£®Study skills refer to behaviors that lead to academic success such as doing work for extra credit being well organized£¬finishing homework£¬working hard and reading assigned chapters£®
"Dating a classmate may have the same emotional effect of dating a co-worker£¬"Orpinas said£¬"When the couple break up£¬they have to continue to see each other in class and perhaps witness the ex-partner dating someone else£®It is reasonable to think this could be linked to depression and distract attention from studying£®"
"Dating should not be considered a ceremony of growth in middle school£¬"Orpinas concluded£®
 
25£®When doing his study£¬OrpinasD
A£®followed a group of students of 6th and 12th grade
B£®completed a survey and a report each year
C£®completed questionnaires about the students'academic efforts
D£®found that the students'study skills have connection with their frequency of dating
26£®Study skills may include the following behaviors and qualities ExceptC
A£®being diligent                   
B£®being well organized
C£®being kind and helpful            
D£®finishing assigned schoolwork
27£®Orpinas'attitude towards dating in middle school isC
A£®supportive      B£®positive      C£®negative     D£®indifferent£®
15£®If last year was all about virtual reality £¨VR ÐéÄâÏÖʵ£©£¬then 2017belongs to augmented reality £¨AR£¬ÔöÇ¿ÏÖʵ£©£®It's been around since the early 1990s£¬but recent developments have seen AR put into the hands of almost anyone with a smartphone£®
Using special software£¬AR allows users to see virtual objects in the real world£®Hit apps like game Pokemon Go and messaging app Snapchat mean that it's more widely used than VR£®But it seems that companies have bigger plans up their sleeves£®
This month£¬Taiwan tech giant Asus released its latest smartphone£¬the Zenfone AR£®What makes it stand out is the cutting-edge £¨Ç°Ñصģ© AR tech it uses-Google Tango£®"Tango-equipped phones can understand the physical space by measuring the distance between the phone and objects in the real world£®"tech site Android Authority explained£®
Tango is thought to be the next leap forward in tech£¬and dozens of companies have already created innovative £¨´´Ð£© new apps for it£®Measuring walls or curtains in your home£¬viewing the solar system in your bedroom£¬or checking what a new table would look like in your living room are all possible using the special cameras and sensors £¨´«¸ÐÆ÷£© of Tango smartphones£®
But it's not all just about fun and games£®Present location technology in smartphones isn't 100 percent accurate£¬meaning navigating £¨µ¼º½£© indoors is difficult£¬but Tango devices'special sensors allow them to"see"any in-door space£®It's hoped that blind people will be able to use this technology to help them find their way around inside buildings£®
There are still problems with this£¬though£¬John Brownlee of Co£®Design says£¬"Let's say you need to direct a blind person to walk 50 feet in a straight line£ºHow do you communicate to him or her what a foot is£¿"he wrote£®
Google is working to solve these issues£¬however£®"Nearly 20 percent of the US population will have a disability during their lifetime£¬"Eve Anderson£¬head of Accessibility Engineering at Google£¬wrote on the company's website£®"That's why it's so important to build tools to make technology easy for everyone£®"

32£®According to the passage£¬ARB£®
A£®is a newly-developed technology£®
B£®connects the virtual objects to the real world£®
C£®is limited to games and social network apps£®
D£®has taken the place of VR in most smartphone apps£®
33£®What can you do with a Tango-equipped smart phone£¿C
a£®Measuring curtains in your home£®
b£®Helping blind people find their way indoors£®
c£®Viewing universe at home£®
d£®Designing a new table for your living room
A£®a&bB£®b&cC£®a&cD£®c&d
34£®What can we learn about Google of this passage£¿D
A£®Google produces the cutting-edge smartphone£¬the Zenfone AR£®
B£®Google has found a solution to guiding blind people indoors£®
C£®Present location technology limits Tango devices'accuracy of indoor navigation£®
D£®Google focuses on improving everyone's life quality when developing products£®
35£®What is this passage mainly about£¿A
A£®The latest development in the field of AR£®
B£®Smartphones that bring AR to our life£®
C£®The launch of a new smartphone£¬Zenfone AR£®
D£®How the blind have benefited by Google Tango£®
18£®With the development of science and technology£¬the research of human genes is playing more and more important part in our daily life£®Sometimes it is a hot topic drawing more and more attention£®
Gene technology can cure serious diseases that doctors at present can almost do nothing with£¬such as cancer and heart disease£®Every year£¬millions of people are murdered by these two killers£®But if the gene technology is used£¬not only these two diseases can be cured completely£¬bringing happiness and more living days to the patients£¬but also the great amount of money people spend curing their diseases can be saved£¬therefore it benefits the economy as well£®In addition£¬people can live longer£®
Gene technology can help people to give birth to more healthy and clever children£®Some families have hereditary diseases and their children will for sure have the family disease£¬which is a great trouble for these families£®In the past£¬doctors could do nothing about them£®But gene technology can solve this problem perfectly£®The scientists just need to find the wrong gene and correct it£¬and a healthy child will be born£®
Some people are worrying that the gene research can be used to clone human beings in large quantities£®In the past few years£¬scientists have succeeded in cloning a sheep£» therefore these people predict that human babies would be cloned£®But I believe cloned babies will not come out in large amounts£¬for most couples in the world can have babies in a very normal way£®Of course£¬the governments must take care to control gene technology£®

29£®What's the main idea of the third paragraph£¿C
A£®Gene technology can help people to give birth to a baby£®
B£®Gene technology can be used to clone human babies£®
C£®How gene technology can be used to treat hereditary diseases£®
D£®Gene technology can solve all the problems of the English imperial family£®
30£®In what way can gene technology help to treat hereditary diseases£¿B
A£®Gene technology helps people with hereditary diseases to live longer£®
B£®Using gene technology£¬scientists find the wrong gene and correct it£®
C£®Using gene technology£¬human babies can be cloned£®
D£®Doctors can cure cancer and heart disease with the help of gene technology£®
31£®What is the main purpose of writing this passage£¿A
A£®Expressing the writer's idea that gene technology will benefit people£®
B£®Telling people the advantages and disadvantages of gene technology£®
C£®Telling the readers that gene technology will not benefit people£®
D£®Explaining that gene technology will also do harm to the humanity£®

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