In recent years, China has been making great progress in technology. A number of inventions have made our daily life more convenient（便利的）. Among them, four stand out. They are known as “four new great inventions” of modern China.

High-speed trains China created its first high-speed railway line in 2008. Since then, the number of passenger trips has grown by over 30 percent every year. It is reported that high-speed train network will connect 80 percent of important cities in China by 2020. China’s high-speed railway technology is also being used abroad. More and more high-speed railways are being set up in foreign countries like Turkey（土耳其）and Russia.

Mobile payment Mobile payment is turning China into a “cashless（无现金）society”. People now only need to pay for the things they buy by typing a short password（密码）into an app like Alipay（支付宝）on their mobile phone. Users can also pay their bills through Alipay, such as their water and electricity bills. Alipay also allows users to buy things on international websites and apps.

Shared bikes China has surprised the world with how quickly it has spread the shared bikes. Users simply pick up or park a bike on the street through GPS and smartphone apps, China’s two leading bike-sharing companies, Mobike and Ofo, have been spreading their business to markets abroad. People are riding their bikes in Singapore （新加坡）, the UK and the United States.

Online shopping China has been the world’s largest and fastest-growing online shopping market. Online shopping now takes up 15.5 percent of total retail（零售）sales in China. It also helped to create jobs of countryside areas. In 2016, online shopping created more than 20 million jobs in countryside areas.

Learning about the environment is very important. There are many good books that will help you learn. To get started, ask your teacher or a librarian（图书管理员）for some s【1】. You can also look through some good websites with information about the environment and climate（气候）change. Climate change may be a big problem, but there are many little things we can do to make a d【2】.

Driving a car or u【3】 electricity is not wrong, but we just have to be smart about it. Some people use less energy by carpooling. For example, four people can ride together in o【4】 car instead of driving four cars to work. Whenever we use electricity, we put gases（气体）into the air. By t【5】 off lights, the television, and the computer when they aren’t needed, you can help a l【6】.

Don’t buy products that use too much energy. Some products, like certain cars, are made specially to save energy. These cars can travel longer on a smaller amount of gasoline（汽油）. They don’t pollute as much, e【7】. Products like computers, TVs, and VCRs with the ENERGY STAR label（标签）are made to save energy. Buying products with these labels will help p【8】 the environment.

Buy recyclable products instead of non-recyclable ones. Recyclable products are usually made out of things that have already been used. It usually takes l【9】 energy to make recyclable products than to make new ones. So w【10】 you go shopping, remember to look for the recycle mark（标签）. The less energy we use. the better.

A. What do you think of the city?

B. Is it hot there in summer?

C. How can i get there?

D. Have you been there before?

E. I’d love to, but I am quite busy these days.

F. Do you like the city?

G. What about the people there?

A: I want to spend my holidays in Dalian. 【1】

B: Yes, I went there three months ago.

A: 【2】

B: Yes, I like it very much. It’s becoming one of the most modern cities in the world.

A: 【3】

B: The city is clean and beautiful, and the football team is strong.

A: 【4】

B: No, not very hot. You may have a swim in the sea.

A: How cool! Swimming in the sea must be more wonderful than in the lake.

B: I’m sure you’ll have a good time there.

A: Would you please go with me?

B: 【5】

A: What a pity!

【1】我听说政府正在为野生大熊猫建立自然公园。

I hear the government is __________ __________ nature parks for the pandas in the wild.

【2】她转过身来，开心地看着我。

She turned round and __________ __________ me happily.

【3】他掸去了外衣上面的雪。

He __________ the snow __________ his jacket.

【4】当我走进卧室时，发现我的椅子散架了

When I walked into my bedroom, I found my chair was __________ __________

【5】试穿一下鞋子，看看是否合适。

__________ __________ the shoes to make sure they fit.

— Yes, I do. It’s much than the US.

A. oldest; olderB. the oldest; the older

C. the oldest; olderD. the older; older

【1】More and more schools in Europe are teaching Chinese as a foreign language, in place of other European languages.

__________________________________________________________

【2】The old photos often remind me of what Yangxin was like 10 years ago.

________________________________________________________

【3】微信在人们的生活和工作中起着重要的作用。 ( play a role)

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【4】父母经常告诉我们要好好的利用节假日。 ( put ... to good use )

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【5】我们应该更多的关注餐桌礼仪。（pay attention to）

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In most cases, the things she bought aren’t good value for money. Maybe she just 【7】 (enjoy) the process (过程) of buying online.

With the【8】(develop) of technology，online shopping【9】 (become) more and more convenient. Those who stay at home can buy whatever they want.In the meanwhile, it causes a series of problems. One of them is more spending than before，because people are【10】(easy) attracted by the discount (打折). So how keep a good state of mind in front of temptation (诱惑) is an important lesson many people need to learn.

B: Oh,you can keep it for two weeks and before you return it,remember not to lend it to others.

A:OK,I remember it. Have you got any books about science?

B: Yes, we have got some.【2】 Are you interested in the science?

A: Oh, not I, but my brother. As a student, he is very interested in science.

B: I see. Does he want to be a scientist when he grows up?

A: No, he wants to be an engineer instead of a scientist. 【3】.

B:What about your dream job?

A: 【4】He is a hero in my heart. Every time I see him on TV, I am always very excited.

B: 【5】

A: About once a week. My mother doesn’t allow me to watch it too much. She says study comes first.

B: But I think health is also important.

A: I agree with you.

A．He is better at math than science.

B．When do you usually watch TV?

C．I want to be an astronaut like Yang Liwei.

D．How long can I keep this book?

E．His math is not so good as science.

F．Please look at the shelf over there.

G．How often do you watch TV?

—He asked _____________ .

A. why I am excited today

B. what will I do for Peter’s party

C. if I could go to the movie with him tonight

D. Who did I play computer games with after school

— It’s ______. He made it ______.

A. David’s; itselfB. David’s ; himselfC. David; himselfD. David ; itself