It's common       1     (see) food delivery workers on electric bikes through crowded cities in China. Most of them are in     2     hurry. However, such reckless(鲁莽的) behaviors often cause serious problems.

One deliveryman surnamed Li     3    (interview) the other day. He's been only doing this job for 2 weeks but has already ridden in wrong lanes a few times just to be punctual. In the     4     (one) half of last year, food deliverymen had 76 traffic accidents in Shanghai alone,     5     means on average, a food deliveryman got hurt or died every 2.5 days.

The phenomenon is       6    (close) related to the growing demand for delivery services, reported People's Daily. About 10% of Chinese are turning to food delivery services, according to China Radio International. Such a huge market     7    (lead) to booming delivery growth by now, with companies offering high salaries to attract new staff.

However, food de liverymen are often under high pressure, faced with fines of ¥20 for being late and up to ¥200 for receiving complaints. Also, the more orders, the higher earnings. Thus,     8    (safe) pops up as a big concern.

Solution? Yes. Shanghai has laid stress on traffic rules. Now in Shenzhen, if caught     9    (break) traffic rules twice, the deliveryman is banned     10     driving vehicles for a whole year!

Science experiments can help you to understand the reason behind anything and everything. As we grow up, we get to know many things which we would be     1     (astonish) to see as kids.     2     (make) a kid understand the difference between magic and reality, you need to show him the science behind it. You will not face any difficulty in doing so as they are always eager to know about it. It is a basic human ability to remember things which he     3    (watch)and does by himself. Hence(因此)practical exercises are very important for children in their daily life.

Few things you should keep in mind while     4    (select) the experiments for kids. The     5    (much) important thing is to take a simple concept. If the concept is too difficult,     6    will be difficult for children to finish that experiment. So you should select simple experiments which are right for their age. The other thing is that you need to choose     7     experiments which are not poisonous and with easy    8    (equip)and that can be handled    9    (easy)by your kids. Child's safety should be your priority(优先考虑的事情). I am going to give you some science experiments     10     will help you to make these small kids understand simple facts with complete safety in my next article.

Baidu Is Not A Doctor

When people     1     (face) with health or nutrition (营养) questions, it is     2    (increasing) common to go online and diagnose themselves. But the Internet is full of various health warnings with no regulation to get rid of the wrong advice, some of    3     can be extremely dangerous! Also, search engines list results by popularity rather than accuracy (准确度), so solid facts can be difficult     4    (find). It is worth    5     (check) if the writer of an online piece is properly qualified as an expert. Anyone can call     6     (he) a “diet expert”, “nutritionist” and even a “doctor”. But remember, only officially    7     (recognize) doctors have degrees in giving medical    8     (suggest). So if you are unsure and still wondering     9     the chocolate diet really works or not, then it pays to make     10     appointment with your doctor. The truth is out there, and you just need to look in the right place!

Recently, a 24-year-old female college student, Huang Mengmeng,    1    (go) into a no-man's land in Qinghai province alone and disappeared,    2    (attract) the attention of many netizens.

Although we all hope she is ok,    3    (unfortunate), her "remains" were found by the police in no man's land.

We do not comment on the reason     4     the girl went to no man's land, but we just want to tell you that many literary     5    (work) overbeautify(过于美化) the "no man's land" alone!

Of course Hoh Xil is beautiful ! There is     6     strong contrast between the clear blue sky and the earth. There     7    (be) no air pollution and the air is fresh. Everyone who has set foot here will     8    (shock) by the scenery here.

But     9    many people don't know is that it has another name     10    (call)"Life's Forbidden Zone".

No matter where you go, you should put your life and safety in the first place.

Close to 70 percent of the world’s population will live in cities by the year 2050. Experts warn that population     1    (grow) will worsen housing crises in some areas.

Large cities around the world already struggle with housing problems. In some neighborhoods, rising house prices have forced     2     poor from their homes. Many poor people now live in shelters or on the street.

People     3    (move) to large cities now not just for high-paying jobs. Many are also looking for the chance to live and work with other people, career opportunity and access to much     4    (good) resources. Some countries have built new capital cities     5    (help) ease overcrowding. These efforts help, but do not solve the problem.

The report says that by 2030, the world will have had 43 very large     6    (city), each with more than10 million people.

Tjada McKenna,     7     is chief operating officer for an aid group, says that the ability to own a home in many countries is often difficult,     8    (especial) for women and minority groups.

Every city is different in     9    (deal) with development problems. Each one has its own economic forces at work and its own history. Experts say that answers     10     the housing crisis and other problems must be developed city by city.

On Sunday, a high school senior, 18-year-old Jessica Gallegos, saved the     1     (life) of six of her friends when she realized the farmhouse     2     they were sleeping was on fire.

“I woke them up，and I was yelling，‘Get out! There’s a fire!”’ Jessica told the reporter. “I just remember     3     (see) terror in everyone’s faces as they were running out of the house. It was scary. ”

After the teens got to     4     (safe)，they watched the entire house burn down in Kaufman County, Texas. Unbelievably，only one of Jessica’s friends，Cheyenne Dupal,     5     (injure) with first and second-degree burns.

“Jessica saved all of     6     (we),’’ Cheyenne said. “If she wasn’t there，then we wouldn't be here today. I'm just really happy she was there.

    7     (early) in May? another heroic teen saved her family     8     a deadly fire in San Bernardino. Fifteen-year-old Storhmn Figueroa heard the smoke alarm going off and     9     (immediate) rushed to get her younger siblings outside. It wasn’t until they were all safe     10     she called 911.

“I was shaking so badly that I couldn’t stop,” Storhmn told the San Bernardino County Sun. “But all I could think was wow，I got everybody out.’’

Bike sharing is a new choice for short journeys in cities. It is good     1     the healthy development of big cities.     2     report by a company found that shared bikes started the nation’s love for bikes again. Now more and more Chinese people     3     (choose) bikes instead of cars to make short journeys in cities.

Since the start of shared bikes, people have made     4     (few) trips by car. The love for shared bikes is not only among young people,     5     were born in the 1980s and 1990s, but also among the old people who are over 60. The shared bikes like Mobike and ofo are useful to people. You can use them by     6     (simple) using your smart phone. People can ride these shared bikes to some places where the subways and the buses don’t go.

However, bad things happen. Some people damage the QR code(二维码) on the bike, or use their own lock, which causes trouble to other users. As for the situation, it’s difficult     7     (correct) these people’s behaviors in a short time. Therefore, bike-sharing companies need to do something. For example, people can     8     (ask) to register as a user with     9     (they) real names. It’s a good way to connect to one’s personal credit. People who damage the bikes should pay for their     10    (act).

Smoking has not been allowed in public places in England since July 2007. This was a successful decision that     1    (make) by the government in years. It was popular with most people. Thousands of people were involved in a survey carried out last month, and 78% of     2     (they) said they would still support the smoking ban.

It is now much more pleasant     3     (go) into a pub or a restaurant. Before that, pubs were filled with smoke,    4     made you cough and your hair and clothes smelly. However,     5     (recent), a study shows that 16% of the bar and pub     6     (owner) are upset to notice a drop in business, because smokers prefer killing time at home and seldom go out for a drink.

In public places, the harm of smoking is     7     (great). Smoking also pollutes environment. No smoking in public places is good for people's health. 400,000 people in England have given up     8     (smoke) slowly and the number of people with heart problems has fallen by more than 2%. It also has a good influence     9    non-smokers. For example,     10     number of children with asthma (哮喘) has dropped by around 20%.