My friend Richard went far to work, so he asked me to take care of his yard in the mountains. He worked hard and often kept the yard _______ without any grass. But I was too lazy to sweep the fallen leaves, and I_______pluck (拔 ) grass, allowing it to grow rapidly. In the early_______, in March, the leaves were green and soft. A month later, when the leaves spread quickly, I discovered they were like wild orchids (兰花) in the forest.

As the summer came, the "grass" really flowered. The flowers looked like those forest orchids, _______ they were yellow, unlike those purple or brown red forest orchids. I picked one flower, then went to find a friend who studied _______.As soon as my friend saw it he asked me_______ I picked it. "It's amazing!" He _______ explained, "This kind of orchid is hard to find. Now it is worth at least 10,000 dollars each."

I told the good news to Richard. He was_______. After a while he said gently, he saw the orchid in the yard every year, but he thought it was common grass, so he always plucked it. He said, "If I could_______, it would flower a few years before." Yes, all of us might miss some rare( 稀有的) orchids in our own lives. We don't give them the time to flower to prove their value.

Give the "grass" time to flower and give everybody a ________ to prove his value. Don't pluck a leave of any "grass" or negate (否定) a person rudely and how many "rare orchids " we will get in our lives!

1.A.wild B.clean C.dry D.dirty

2.A.sometimes B.often C.never D.always

3.A.spring B.summer C.autumn D.winter

4.A.so B.but C.then D.or

5.A.colors B.rivers C.seasons D.plants

6.A.that B.why C.where D.who

7.A.proudly B.successfully C.carelessly D.excitedly

8.A.worried B.surprised C.scared D.relaxed

9.A.wait B.get C.take D.make

10.A.tree B.yard C.flower D.chance

Seventy years ago, China was a poor country. But seventy years later, the country has made progress in many areas. It has become a rising power in the world. Now we'll take a look at some of China's biggest changes.

AI(人工智能)

China is paying great attention to the development of AI. According to the research, China's main advantage lies in intelligent robots. And the main problem for AI development in China is not short of money but short of technology and talent. China plans to become a worldwide AI innovation(创新)center by 2030.

People-to-people exchanges

Today, Chinese people are having mote exchanges with people around the world. With the support of the government, many Chinese are going abroad to study and do research. China has also so up $36 Confucius Institutes(孔子学院)in more than 150 countries. Millions of students are learning Chinese language and culture there.

Olympic dreams

Many Chinese players have surprised the world, including Yao Ming and Liu Xiang. The country hay field more sports activities. The 2008 Beijing Summer Olympics and the coming Winter Olympics are parts of the great achievements. From February 4th to 20th, in 2022, China will host the Beijing Winter Olympics.

High-speed rail

China has built the world's largest high-speed rail network (网), which is still spreading. Last year, ductwork reached 29, 000 kilometers. The trains have carried millions of travelers and have greatly reduced travel time around the country. For example, high-speed rail has reduced the travel time from Beijing to Shanghai from 10 hours to five hours. China is also sharing this technology with many other countries.

根据图表中的信息,选择最佳答案。

1.What is China like at present?

A.It is rich and tiny. B.It is a "sleeping dragon".

C.It is developing rapidly. D.It is powerful in all areas.

2.What is the main problem for AI development in China now?

A.Being short of money and technology. B.Being short of technology and talent.

C.Being short of talent and creative ideas. D.Being short of creative ideas and money.

3.What can students learn in Confucius Institutes?

A.Chinese culture and language. B.Chinese painting and cooking.

C.Chinese medicine and culture. D.Chinese cooking and language.

4.How long will the 2022 Beijing Winter Olympics last?

A.For 15 days. B.For 16 days. C.For 17 days. D.For 18 days.

5.What does the underlined word "reduce" mean in this passage?

A.耗尽 B.删除 C.消耗 D.减少

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