Cars make our lives more convenient. But theycan also be a problem. For example, fossil fuel (化石燃料)cars mainly cause air pollution.

    To improve the environment, many countriesare developing electric vehicles (EVs,电动车).Among them, China is taking a leading role and has created the world's largestEV market.

    Last year, over 40 per cent of the 753,000EVs sold in the world were sold in China, more than twice as many as the numbersold in the United States.

    "Filling up a fossil fuel car with gas(汽油) is more expensive than charging (充电) an electric car," said Wu Hao, who bought an electric carthis year.

    However, there are still some problems. Itcan be hard to find charging piles (充电桩) andthe cars can't go far before being recharged.

    Some of these problems are being solved. In2014, China had 31,000 charging piles. Now China has the world's largest EVcharging network, with more than 450,000 charging piles in total.

    Developing EVs is one of many efforts thatChina has made to cut down pressure on its environment after the governmentpromised to stop increases in carbon dioxide emissions (二氧化碳排放量) by 2030.

    "As China goes, so will the world'scar industry," the Wall Street Journal said.

After a relaxing weekend, children have to go back to school on Mondays. For parents, they should do something helpful (有帮助的) to let their children get to school on time.

Let children take a good shower. It's good for children to take a shower before they go to bed. It can not only help them sleep well but also save time next morning.

Ask children to go to bed early. School starts at 8：00 a.m. So please let your children go to bed before 9：30 p.m. Your children should (应该) sleep for about nine hours every day. This is quite important because they have to get up early next day.

Make a good breakfast for children. Breakfast can help children study better (更好的) in the day. It can help students listen to teachers carefully (细致地) and think well in class. Also, it's good for their health.

Getting to school on time is very important for your children. So please help them. If you can do the things above (以上), they will study and live happily.

The 14^th China Airshow was held from November 8^th to 13^th in Zhuhai. More than 42 countries took part in the show, including the United States, the United Kingdom, Australia and many other countries. Among the different models of airplanes, the J-20 Drone（无人机）took many people's breath away.

The drone is one of the greatest inventions in recent years. A drone is light and portable, which makes it possible to be put in a backpack easily.

Some small drones are widely used for taking photos and putting on light shows. Other larger drones are used to carry things to far places in a smart way. For example, Mei Tuan Takeout（美团外卖）uses drones to send food or packages to people's offices in Shenzhen. The delivery time has been greatly cut down. Drones can be also set to finish tasks for farmers. They can spray pesticide and check whether the crops are growing well at different time of a day. So, a farmer can look after land five time larger than that before. Scientists are also using underwater drones to get information on CO₂ levels in the ocean. It's the newest way to study the ocean's condition and improve（改进）its environment.

"May we all be blessed with longevity. Though miles apart, we are still able to share the beauty of the moon together(但愿人长久,千里共婵娟)."wrote Su Shi, a poet during the Song Dynasty, in his well-known poem to his younger brother Su Zhe.

The moon is at its brightest on the 15th day of the eighth month of the lunar calendar. On this day, people celebrate Mid-Autumn Festival. It has been enjoying great popularity all over the country.

In ancient China, that day was a harvest(收获) festival because crops(庄稼) were harvested during that period. It was also a time for relaxation and celebration.

Just like Thanksgiving in Western countries, families also try to get together for the Mid-Autumn Festival in China. Usually, no matter how far away or how busy they are, people will try to return home for the celebration.

The Mid-Autumn has its own special food just as other traditional Chinese holidays. People eat mooncakes with fillings such as sugar and eggs. The round shape of the cake makes it look like the full moon. The full moon and mooncakes stand for family reunion(团聚).

With the beautiful moon up in the sky, people sit together, enjoy the full moon, eat mooncakes and fruit, share the stories, and express the best wishes for the family members and friends who live afar.