4．Many universities share teaching resources online.creating a learning space benefits life-lo——青夏教育精英家教网—

1．正是为了人民的利益，一些政府官员抵制金钱和权力的诱惑，将经济改革进行到底．（It）It is for the sake of the benefits of people that some government officials resist the temptation of money and power，carrying out the economic reform to the end．．

20．A．You are only allowed to puxchase a firearm if you have had a background check and meet certain legal requirements．
B．There have been many enlightening articles on gun control in America．
C．If you were to visit the United States for two months the only gun you might see is in a museum or on a police officer．
D．Less than fifty percent of homes in the United States own weapons，and many of those homes are in rural areas where guns may have a greater use．
E．More people are deciding to legalize their gun transactions instead of buying them on the black market．
F．What alarms people the most about American gun culture are the illegal guns and shooting，which make some places feel unsafe．

Guns have a special place in American culture，and though not everyone agrees on whether or not they are a good thing，there is no mistaking that they will be part of the cultural landscape for some time．To answer the question，no，not everyone has a gun．（67）D
Americans use guns for one of two uses：either for sport，where they can use them on firing ranges or for hunting in approved areas，or for self-protection．The latter is where most people begin to take sides，either arguing for the removal of guns from society or allowing more people to have them．There are organizations and community groups for both sides and both sides have strong feelings．
Legally，there are restrictions on gun owners．（68）A Only certain kinds of weapons can be purchased by the public，and that excludes automatic weapon and military grade weaponry．Gun owners must transport their weapon in a safe way，unloaded and in most cases，out of sight．Special"concealed carry"permits from the police station must be obtained for people who want to wear weapon，and most people are rejected for this kind of permit．（69）F Criminals steal guns or buy them illegally to commit crimes，and the news is full of terrible stories of what happened next．Occasionally a child will get a hold of legal weapon and accidentally hurt themselves or others．
It is important to remember，however，that the news stories that make the United States seem like a dangerous place are deceiving； guns arc not everywhere or constant．（70）C After all，America is a safe place to live．

19．A study，by San Diego Zoo Global conservationists，released this week （Sept.12，2016）is shedding new light on how scientists evaluate polar bear diet and weight loss during their fasting（禁食） season．On average，a polar bear loses up to 30percent of its total body mass（体重）while fasting during the open-water season．Although some scientists previously believed land-based foods could supplement（补充）the bears'nutritional needs until the sea ice returns，a new study published in the scientific journal Physiological and Biochemical Zoology has revealed that access to terrestrial food is not sufficient to reduce the rate of body mass loss for fasting polar bears．
The study--undertaken by Manitoba Sustainable Development，the University of Alberta，and Environment and Climate Change Canada--weighed polar bears that were detained in the Polar Bear Holding Facility in Churchill，Manitoba，Canada from 2009 to 2014．Polar bears were kept in this facility as part of the Polar Bear Alert Program，which aims to reduce conflict between humans and polar bears around the town of Churchill．To prevent habituation，polar bears are not fed while in the facility，which allowed for a controlled measure of their weight loss．On average，polar bears lost 2.2 pounds（1 kilogram）of mass per day--exactly the same amount as free-ranging（自由放养的）bears measured during the ice-free season on the coastline of Hudson Bay．Scientists reported that even with land-based food opportunities，polar bears lost the same amount of weight．
"Some studies have suggested that polar bears could adapt to land-based foods to offset the missing calories during a shortened hunting period on the ice，"said Nicholas Pilfold，Ph．D．，lead author of the study and a postdoctoral associate in Applied Animal Ecology at San Diego Zoo Global．"Yet，our results contradict this，as unfed polar bears in our study lost mass at the same rate as free-ranging bears that had access to land-based food．"
Researchers also estimated starvation timelines for adult males and subadults，and found that subadults were more likely to starve before their adult counterparts．"Subadult polar bears have lower fat stores，and the added energy demands associated with growth，"said Pilfold，"Future reductions to on-ice hunting opportunities due to sea ice loss will affect the younger polar bears first--especially given that these bears are less-experienced hunters．"

63．What is the finding of this newly-released study？B
A．Wild polar bears are facing the danger of starvation and extinction．
B．Land-based food can't meet the nutritional needs of wild polar ears．
C．Wild polar bears can avoid weight loss in a properly designed facility．
D．Traditional ways to measure polar bear diet and weight loss are not accurate．
64．Which of the following is TRUE about the study？C
A．It was actually part of the Polar Bear Alert Program．
B．It aimed to prevent the polar wildlife from extinction．
C．It compared the weight loss between unfed and free-ranging polar bears．
D．lt measured the weight of polar bears during on-ice hunting seasons．
65．The underlined word in the fourth paragraph meansD．
A．take over
B．take up
C．make into
D．make up for
66．The reasons why subadults are more likely to suffer during open-water season includeA．
They have less fat storage．
They need more energy for growth．
They lack hunting opportunities．
They are slower in adapting to ice loss．
A．①②B．③④C．①②③D．②③④

18．Hair Loss （Alopecia）
Information about male pattern baldness（秃顶） causes，triggers and treatment in the UK
In contrary lo popular belief，hair loss-or alopecia-can start at any age．Whilst it is associated with mature males，and statistics show it does mainly affect men about 40，the reality is you can notice symptoms in your 30s，or even 20s and teen years．The NHS statistics state that 25% of men start losing their hair by the time they reach 30．The most common form of hair loss is male pattern baldness-also known as androgenic alopecia-that affects more than half of men around the world．

One option many men seek is treatment to avoid further hair loss，especially early on in the process．With treatments，such as Propecia，that specifically target male pattern baldness，it is possible to stop hair loss completely and even encourage fresh new hair growth．
What is alopecia？
Alopecia is the medical term for hair loss．Most commonly affecting males，hair loss in men is caused by an increased sensitivity to the male sex hormones （androgens）．The type of alopecia you have （as well as hereditary and external factors） can influence levels of hair loss．The most common type of hair loss （alopecia） is male and female pattern baldness．Other types include：
•Alopecia areata （patches of baldness，usually on the scalp）
•Scarring alopecia （hair loss directly affecting the hair follicles）
•Telogen effluvium （hair thinning over a larger area on the top of the head，rather than bald patches）
•Anagen effluvium （most commonly caused by cancer treatments such as chemotherapy and radiotherapy）

60．Which of the following statements is FALSE about Propecia？C
A．It can stop hair loss almost in all cases．
B．People can buy it online without doctor visit．
C．It encourages new hair growth in rare eases．
D．It is especially effective on male pattern baldness．
61．We can learn from the passage that alopecia isB．
A．an inevitable part of aging process
B．more common among mature males
C．unnoticeable before 40years old
D．mostly influenced by external factors
62．The next part of the webpage is most likely to be aboutA．
A．hair loss causes
B．hair loss symptoms
C．preventing hair loss
D．treating hair loss．

17．A．changing B．available C．exposure D．worsen E．sensitive
F．density G．rest H．shaded I．refleciions J．interrupted K．fighting

Are your eyes dry，watery，seeing double or （31）E to light，and do your back and neck ache？If so，you are likely one of many people today who suffer from digital eyestrain（视疲劳）also called computer-vision syndrome．
Eyestrain is often related to the amount of （32）Cto screens，the distance from eyes to screens and the use of multiple screens at the same time．However，studies
have also shown that the blue light produced by digital devices reaches further into the eyes than other kinds of light．This light actually assisis attention during the day but can result in （33）J sleep patterns at night．
Scientists have stated that eyestrain is not a necessary evil，even in a modern world that circles around technology．Sometimes （34）Asome simple details about your relative position to screens，such as slaying about 60 centimeters away，will help．Also，avoid overhead and other direct sources of light，and use （35）H lamps and window blinds while looking at digital devices instead．
Beyond the ways that you relate to digital screens，there are also ways to change how you view screens that are helpful in （36）K eyestrain．To begin with，your computer screen should be high-resolution （高分辨率），and may require a screen to decrease（37）I．Also，be aware that''computer glasses，"which cut down glare（刺眼的光} and blue light，are （38）B on the markect．
Finally，many of us fall into bad habits while usiug digital screens that only（39）D the effects of eyestrain．When viewing digital screens，many people blink （眨眼） one third less often than they usually do．Place a reminder on your computer to"blink!"so that your eyes don't dry out．Also，（40）G your eyes'focusing muscles by using the 20-20-20rule：every 20minutes，focus on something 20 feet away for 20 seconds．
There are many other methods used to help relieve eyestrain，so find what works for you rather than giving in to tired vision．

16．In CCTV's annual consumer-protection show earlier this month，the international sportswear giant Nike was accused of false advertising．Commercials （21）promoting（promote） the"Hyperdunk^"basketball shoes claimed the product is equipped with high-tech air cushions．The CCTV program，however，revealed that the product didn't come wiih the feature．Consumers were apparently misled．
This is，in fact，not the first time Nike （22）has been caught（catch） cheating Chinese consumers．Back in 2011，consumers complained that that year's"Hyperdunk"sneakers didn't have the （23）advertised（advenise） air cushions in them，either．Such wrongdoings might not mark the end of Nike （24）asa respectable and reliable brand among loyal shoppers，but Nike needs to realize that （25）ifone day consumers'trust in it vanishes（消失），so will its sales．By then，it will be impossible for the brand to restore its reputation．
China is an important base for Nike （26）asit accounts for about ten percent of the company's market．Over the past three decades，numerous NBA greats，from Michael Jordan to LeBron James，have been shown wearing Nike's gear，proving its quality．
Placing misleading advenisements once again has dampened some consumer's trust in Nike．Fortunately，Nike issued a timely apology last week，offering a 4500-yuan refund，（27）whichis three times the cost of the shoes．These gestures
show that the company has somewhat realized its mistake and wants to re-establish consumers'trust in it．
Sportswear companies often push the truth of their products by having famous athletes wearing them．If Usain Bolt is seen in a commercial（28）dashing（dash）with Nike，it might be implied that the shoes（29）canenable you to run faster．However，there are limits to （30）what can be said to promote a product．With lying comes distrust，and with distrust comes collapse．That's why Nike，and any other company，needs to be more careful with advertising in the future．

15．假定你是李华，目前在英国某中学做交换生．学校公告栏上一则出售二手笔记本电脑的广告引起了你的兴趣．

FOR SALE
Lenovo Yoga 300 laptop in excellent condition
4GB RAM and 64GB hard drive
Price：£155
Contact Heck at jheck@aef．com

请用英语写一封电子邮件，咨询有关电脑的详情．内容主要包括：
1．表明写作意图；
2．询问相关信息：是否有原始购机发票（invoice），是否维修过，如何付款．
注意：1．词数100左右
2．可以适当增加细节，已使行文连贯；
3．开头和结尾已给出，但不计入总次数．
Dear Heck，
I am writing for more information about the laptop advertised on the school bulletin board．I would appreciate it if you could be kind enough to answering the following question．（高分句型一）First of all，do you still have the original invoice for the laptop？Secondly，I would like to know whether the laptop has any problems．Have you ever had it repaired？Lastly，where and how can we conclude a deal if both of us agree to one？By the way，would it be possible to give me a 10% discount considering the storage of the laptop is rather small．（高分句型二）
I am looking forward to your reply
Yours，
Li Hua．

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