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A new study，a project of the researchers from the University of Pittsburgh in Pennsylvania，finds that a fitness tracker （健康追蹤器） probably does not help with weight loss．
   The trackers are designed to record your physical activity．They are usually worn around the wrist （手腕），where they record a person's heart rate．The research team looked at two groups of people．The first wore a fitness tracker and took part in health consultation with experts for best weight-loss plan．The researchers compared this group with people who only got health consultation．
   The study found that those only speaking with the health experts lost nearly 6 kilograms，but those using a fitness tracker lost only 3.5 kilograms．John Jakicic，the lead researcher，questioned the use of these trackers for weight loss．
   The study involved 470 people aged between 18 and 35．Some of them were overweight，while others were considered obese．Over three fourths of them were women．All were told to increase physical activity and start on a low-calorie diet．They had their weight measured once every six months．After six months，researchers divided the group into two parts：one continued with monthly consulting，while members of the other group were given a fitness tracker．Eighteen months later，both groups showed great improvements in fitness，physical activity and diet，with no big difference between groups．However，when it came to losing weight，the people who only spoke with experts lost nearly twice as much weight．
   Jakicic said， "The study's findings are important because effective long-term treatments are needed to deal with America's obesity．" More information is needed，he added，to learn how to best use these trackers to help adults who want to lose weight．

（1）Both groups of people in the study were asked to
C
C
．
A．start on a high-calorie diet
B．wear a fitness tracker
C．consult experts
D．record their heart rates
（2）Why does Jakicic think the findings are important？
C
C

A．Wearing fitness trackers hardly helps people lose weight．
B．Physical activity and diet have no effect on weight loss．
C．Dealing with obesity needs effective long-term treatments．
D．There are great differences in health between both groups．
（3）What can we infer about the study mentioned in the text？
A
A

A．The study went on for about two years．
B．More than 120 men took part in the study．
C．Health consulting helps lose almost 6 kilograms．
D．Wearing a fitness tracker is useful for keeping slim．
（4）The purpose of the text is to
B
B
．
A．describe how the researchers carried out the study
B．show regular consulting for weight control is necessary
C．persuade readers to wear fitness trackers for weight control
D．warn women are more likely to suffer from weight problems

【考點】日常生活．

【答案】C；C；A；B

【解答】

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發(fā)布：2024/5/27 14:0:0組卷：19引用：3難度：0.4

相似題

1．Someday a stranger will read your e-mail without your permission or scan the Website you've visited，or perhaps someone will casually glance through your credit card purchases or cell phone bills to find out your shopping preferences or calling habits．
In fact，it's likely some of these things have already happened to you．Who would watch you without your permisson？It might be a spouse，a girlfriend，a marketing company，a boss，a cop or a criminal．Whoever it is，？they will see you in a way you never intended to be seen-the 21st century equivalent of being caught naked．
Psychologists tell us boundaries are healthy，and that it's important to reveal yourself to friends，family and lovers in stages，at appropriate times．But few boundaries remain．The digital bread crumbs （碎屑） you leave everywhere make it easy for strangers to reconstruct who you are，where you are and what you like．In some cases，a simple Google search can reveal what you think．Like it or not，increasingly we live in a world where you simply cannot keep a secret．
The key question is：Does that matter？
For many Americans，the answer apparently is"No．
When opinion polls ask Americans about privacy，most say they are concerned about losing it．A survery found an overwhelming pessimism about privacy，with 60 percent of respondents saying they feel their privacy is"slipping away，and that bothers me．"
But people say one thing and do another．Only a tiny fraction of Americans change any behaviors in an effort to preserve their privacy．Few people turn down a discount at tollbooths（收費站） to avoid using the EZ-Pass system that can track automobile movements．And few turn down supermarket loyalty cards．Privacy economist A lessandro Acauisti has run a series of tests that reveal people will surrender personal information like Social Security numbers just to get their hands on a pitiful 50-cents-off coupon （優(yōu)惠券）．
But privacy does matter-at least sometimes．It's like health：When you have it，you don't notice it．Only when it's gone do you wish you'd done more to protect it．

（1）What does the author mean by saying the 21st century equivalent of being caught naked？

A．People tend to be more frank with each other in the information age．
B．In the 21st century people try every means to look into others'secrets．
C．People's personal information is easily accessed without their knowledge．
D．Criminals are easily caught on the spot with advanced technology．
（2）What would psychologists advise on keeping good boundaries？

A．There is always something you shouldn't reveal．
B．You should not always have good relationship with your friends and so on．
C．All friends should open their hearts to each other．
D．There should be fewer disputes and questions between friends．
（3）Why does the author say"we live in a world where you simply cannot keep a secret"？

A．Modern society has finally evolved into an open society．
B．Many search engines profit by revealing people's identities．
C．There are always people who are curious about others'affairs．
D．People leave traces around when using modern technology．
（4）According to the passage，privacy is like health in that

．
A．people will make every effort to keep it．
B．people don't care it until they lose it
C．is is something that can easily be lost
D．its importance is rarely understood．
發(fā)布：2024/11/18 8:0:1組卷：4引用：1難度：0.7
解析
2．Being "young" is associated with all the good things in life-beauty，hope，and energy.But youth also has negative associations-impulsiveness，troublemaking，and irresponsibility.This negative side seems to be what society focuses on more，which is why young people have mostly been considered as idle and difficult.
  But when it comes to Generation Z-those born between 1995 and 2010-this stereotype doesn't seem to apply anymore.
   In Japan，for example，Gen Zers are less likely to buy on impulse，but take into consideration more a product's true value."They're looking at the companies，not just the products，" Masahiko Uotani，CEO of Japanese cosmetics company Shiseido，told Bloomberg."They're asking，'Are they really delivering value to the society？Are they promoting diversity and inclusiveness？'"
   Gen Zers are also more grounded than we've expected them to be.According to a recent survey by Bank of America，more than half of young adults aged between 18 and 23 said they were planning to buy a house within five years.And they're not just saying it-they are willing to make sacrifices for it，including getting a second job and saving money for a down payment instead of spending it on a vacation.
   "Despite their young age，this group is pragmatic and actively planning for their future，" D.Steve Boland，head of Consumer Lending at Bank of America，told USA Today."They have a clear vision of how they are willing to help themselves in order to make it happen."
   Social issues are also at the center of concern of Gen Zers，who take themselves as a changing force of the world.In India，for example，young people who have just reached the voting age are eager to vote for a new leader who is capable of solving problems that matter the most to them，including pollution，unemployment and women's safety.
   As a Gen Zer yourself，what is your plan for the future？

（1）What do the underlined words "this stereotype" in Paragraph 2 refer to？

A．Being young is good.
B．Gen Zers are born after 1995.
C．The traditional poor impressions on the youth.
D．The associations with young people.
（2）We can infer from the third paragraph that

.
A．Gen Zers in Japan are picky
B．Gen Zers are self-centered
C．Gen Zers care little about products
D．Gen Zers are wise when shopping
（3）What's D.Steve Boland's attitude to the Gen Zers？

A．Approving.
B．Negative.
C．Indifferent.
D．Critical.
（4）Which of the following words may best describe the Gen Zers？

A．Confident and independent.
B．Visionary and responsible.
C．Persistent and down-to-earth.
D．Active and creative.
發(fā)布：2024/11/15 11:30:1組卷：8引用：1難度：0.5
解析
3．Fear is an emotion（情感） like others such as happiness，anger，hurt and sadness.We need emotions to process information we receive and decide how to respond.Being afraid of fast cars，for example，is something that might protect us from harm.Being afraid of the consequence of a choice may prevent us getting into trouble.
   Fears in young children commonly center on certain animals like snakes or big dogs.Fears are caused often because of experiences or ideas expressed by others，and at times，the media.Many normal fears during the early years，like men with beards，or large dogs，disappear with age.Those fears relating to personal failure and ridicule （嘲笑） last through adulthood and may need special help to overcome.
   Children's fears are often trivial，but that doesn't mean we should pay no attention to them.They need to be recognized and accepted as real for that child.Only when we help children understand their fears can they grow normally in their ability to deal with them.
   Research shows that as a child grows up，the center of his fears changes a lot.Things like divorce，a teacher who "shouted at me"，people with guns，bullies，big boys，or "making fun of me" top the list of childhood fears.
   We cannot always prevent these experiences from happening，but it's essential that children be allowed to freely express their emotions without judgment.Sympathy and a caring listener will help ease the pain of these fears.Read books and stories to your child about children who have experienced similar fears.This helps children talk about their fears and find ways to handle.With all emotions，fears become less of a problem for children as they gain self-confidence and they find that fear is common and can be dealt with.

（1）According to Paragraph 2，we can know that fears in young children

.
A．only center on frightening animals
B．a(chǎn)re not born but learned
C．can make sure of their safety
D．need special help to deal with
（2）The underlined word "trivial" in the third paragraph probably means "

".
A．common
B．serious
C．harmful
D．small
（3）From the passage we can learn that

.
A．children with similar fears can communicate easily
B．children should avoid the media to reduce their fears
C．fears can be judged according to the environment
D．some childhood fears may have a lasting influence
（4）What's the best title for this passage？

A．Children's Fears.
B．How to Overcome Children's Fears.
C．The Kind of Children's Fears.
D．The Bad Effects of Fears.
發(fā)布：2024/11/17 10:0:3組卷：4引用：1難度：0.5
解析

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