Bike-sharing schemes have been growing in popularity in China, with the total number of users between 2015 and 2016 jumping from 2.45 million to 18.86 million. 

Along with such rapid development, the risks and safety hazards（安全危害） associated with customer deposits and a low cost and low quality business model have both drawn much attention. 

Let’s take a look at some of the "gains and pains" of the emerging two-wheeled commercial services.

1.According to the passage, how many reasons of the rapid development of the bike-sharing?

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2.What percent of the shared bike users are aged 26~35?

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3.If a person wants to ride both Ofo and Mobike, how much money he should pay for guaranteed deposits?

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4.Do you use the shared bikes? What do you think of the shared bikes?

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5.Can you give some advice on solving the bike-sharing problems?

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1.Three 2.65%. 3.398 yuan/＄57. 4.Yes. I think it’s very convenient./it’s good for the environment. No, I don’t. 5.I think the government should put up some posters or advertisements to reg...
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A report has been released recently to study the behavioral characteristics（行為特征） of families who share photos of their kids on social media. The report also points out the potential dangers involved and offers a number of safety tips.

Who likes sharing photos most?

(Chart I)

Mothers are most likely to share children’s photos online and in the highest volume. Moms share life moments of their children online more than 25 times per month on average.

Potential Dangers

Danger 1:

The invasion of children’s privacy（侵犯兒童隱私）

Many parents don’t care about their children’s feelings. A UK survey show that:

（Chart II）

Danger 2:

Human traffickers（人販子）

Private information exposed（個(gè)人信息曝光）

Whereabouts exposed（行蹤曝光）

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Safety Tips

Using imaging software to cover up personal information with mosaics（馬賽克）.

Share photos with a side-view face or taken from a distance.

Divide online friends into different groups and only share children’s photos with the most trusted relatives and friends.

Teach more safety knowledge to children and improving their sense of self-protection.

（Chart III）

1.According to Chart I，we know that moms like to share their children’s photos most. How many times they share their children’s photos online a year on average?

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3.Is it right that parents may put their children in danger sometimes by sharing their children’s photos online?

_________________________________________________________________________________

4.How many safety tips are mentioned in Chart III?

_________________________________________________________________________________

5.Who likes sharing photos best in your family？About what?

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The Micro-blog(Micro Blog), short of microblog, is small blogs and mini blogs.

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Weibo users

(Chart Ⅰ)

(Chart Ⅱ)

1.According to ChartⅠ, what age is male users more than female users from?

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2.Do you think why the users of Weibo are mainly from young people?

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5.Do you use Weibo? What do you usually do on it?

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