The Internet is full of headlines that grab your attention with buzzwords (流行词). But often when we click through, we find the content hardly delivers and it wastes our time. We close the page, feeling we've been cheated. These types of headlines are called "click bait".

A headline on Businesslnsider.com reads: "This phrase will make you seem more polite". First, when you click through, you find another headline: "Four words to seem more polite." Then, on reading the article, you find it's actually an essay about sympathy. And what are the four words? They're "Wow, that sounds hard." On some video websites, you might encounter headlines such as "Here's what happens when six puppies visited a campus". Turns out it's just some uneventful dog footage (镜头).

Nowadays, with the popularity of social media, many news outlets tweet (推送) click bait links to their stories. These tweets take advantage of the curiosity gap or attempt to draw the reader into a story using a question in the headline. These click bait headlines are so annoying that someone is attempting to save people time by exposing news outlet click bait through social media. The Twitter account @SavedYouAClick, run by Jake Beckman, is one such example.

Beckman's method is to grab tweets linking to a story and retweet them with a click-saving comment. For example, CNET tweeted "So iOS 8 appears to be jailbreakable but...", with a link to its coverage of Apple's product announcements. Beckman retweeted it with this comment attached: "... it hasn't been jailbroken yet."

Since founding the account, Beckman's Twitter experiment has brought him more than 131,000 followers. Beckman said that @SavedYouAClick is…"just my way of trying to help the Internet be less temble." Asked about his goal, he said, "I'd love to see publishers think about the experience of their readers first. I think there's an enormous opportunity for publishers to provide readers with informative updates that include links so you can click through and read more.

1.The article on Businesslnsider.com turns out to be___.

A. useful suggestions on politeness

B. an essay about another topic

C. an article hard to understand

D. a link to a video website

2.Why are readers often cheated by tricky headlines?

A. Social media has become more popular.

B. Readers have questions to be solved.

C. Such headlines are fairly attractive.

D. There're always stories behind them.

3.Beckman attached his comment to CNET's tweet to ___

A. criticize CNET

B. save readers' time

C. advertise apple's new product

D. tell readers something about iOS 8

4.In the last paragraph, Beckman appeals that _____

A. publishers be more responsible for the link

B. readers think about their needs before reading

C. publishers provide more information for readers

D. people work together to make the Internet less temble

For most caffeine(咖啡因)consumers, its main benefit is that it helps you get more done. This is what makes it unusual, says Stephen Braun, author of Buzz: The Science and Lore of Alcohol and Caffeine.

“Its appeal is that it helps us earn more money,” he adds. “What makes it different from other drugs is that it’s used as a productivity tool –– not for pleasure.”

Many of history’s creative minds have also been connected with a large amount of caffeine consumption (消耗).

According to one biographer, the French novelist and playwright Balzac drank as many as 50 cups of coffee a day. “Were it not for coffee one could not write, which is to say one could not live,” he once insisted.

For seven years, the film-maker David Lynch ate at the same Los Angeles diner every day, drinking up to seven sweetened cups of coffee “with lots of sugar” in one sitting, which he said would guarantee that “lots of ideas” arrived.

Ludwig van Beethoven was said to have painstakingly counted out exactly 60 coffee beans per cup when he brewed(煮)coffee.

Perhaps recent tales of caffeine excess (过量) featured the singer Robbie Williams, who reportedly consumed 36 cups of black coffee and 20 cans of Red Bull a day.

It is the routine task itself, as much as the stimulating(刺激的)effects of caffeine, that makes the process so important, says Mason Currey, author of Daily Rituals: How Artists Work. “A lot of artists use the process of making coffee as a gateway to the creative process,” he adds. “You need to get into the right mindset to do that sort of work, and the preparation process provides a focus.”

One problem with attempting to control caffeine, says Braun, is that it affects everyone differently –– it is impossible to work out a “safe” limit that works for everyone. “Eventually, you have to become your own scientist –– there isn’t an alternative to careful self-experimentation,” he says.

1.The examples of some famous people are given to show that _______.

A. most artists like drinking coffee

B. drinking coffee helps artists make more money

C. there’s a link between drinking coffee and creating ideas

D. drinking coffee makes artists become more successful

2.What leads to the artists’ creative process according to Mason Currey?

A. Being lost in thought. B. Drinking the coffee.

C. Brewing the coffee. D. Getting a good mindset.

3.What does Braun advise us to do in the end?

A. To drink less coffee.

B. Never to limit caffeine use.

C. To work out a safe level of caffeine use.

D. Never to take more coffee than you need.

Cancer researchers urged people on Wednesday to take more vitamin D to lower risk of cancer, saying studies showed a clear link. “Our suggestion is for people to increase their intake, through diet or a vitamin supplement. ” Dr.Cedric Garland said in a telephone interview.

Garland’s research team reviewed 63 studies, including several large long-term ones, on the relationship between vitamin D and certain types of cancer worldwide between 1966 and 2004.

“There’s nothing that has this ability to prevent cancer,” he said, urging governments and public health officials to do more to fortify foods with vitamin D. Garland is part of a University of California at San Diego Moores Cancer Center team that published its findings this week online in the American Journal of Public Health. Vitamin D is found in milk, as well as in some fortified orange juice, yogurt and cheeses, usually at around 100 international units(IU) a serving. People might want to consider a vitamin supplement to raise their intake to 1000 IUs per day, Garland said, adding that it was well within the safety guidelines established by the National Academy of Sciences.

The authors said that taking more vitamin D could be especially important for people living in northern areas, which receive less vitamin D from sunshine.

African Americans, who don’t produce as much of the vitamin because of their skin colour, could also benefit significantly from a higher intake, the authors said.

1.According to the passage, people are advised to take more Vitamin D because ________.

A. it is nutritious

B. it can’t harm people’s health

C. it can lower cancer risk

D. it is not taken enough every day

2.Who can Garland probably be?

A. A health researcher.

B. A doctor.

C. A scientist.

D. A public health official.

3.Which of the following food can lower people’s chance of getting cancer?

A. Milk.

B. Fortified orange juice.

C. Fortified yogurt.

D. All of the above.

4.People from which area should take more Vitamin D according to the passage?

A. Asian people.B. African people.

C. American people.D. European people.

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