一、交通是国家发展的“大动脉”。根据句意和汉语提示填写单词，跟随 Becky 一起来看看祖国的交通发生了哪些变化吧！
1. Through rapid (发展), China has transformed from the “Kingdom of Bicycles” into a country with a (举世闻名的)rail network.
2. Our (公共的)transportation has become much more (方便的), thanks to the widespread use of the underground.
3. New (技术)allows us to have (电动的)cars and shared bikes, which makes our travel smarter and greener.

二、Judy 正在整理关于中国改革开放的资料。用方框中所给单词或短语的适当形式填空，帮助她归纳改革开放所带来的影响。
lead to，south，make a living，excellent，at the very heart of，a wealth of
1. Reform and opening - up was China’s modernization, a policy that first began in the parts of China.
2. It sparked rapid economic growth, giving people opportunities to and improve their lives.
3. It has also the establishment of a(n) modern education system, greatly enhancing the educational opportunities for all.

三、David 分享了爷爷眼中家乡的变化。根据语境或用括号内所给单词的适当形式填空，一起来看看这座城市的发展吧！
My grandfather has lived in this beach city for about sixty years. Over the past sixty years, great changes 1. (take)place.
First of all, the city has become much 2. (clean)than before. There was rubbish nearly everywhere in the city in the past. The rivers that run through the city 3. (use)to be dirty and smelly. Thanks to the “civilized city” campaign(运动), the quality(素质)of the 4. (citizen)has improved, so has the sense of protecting the environment. Now, you can’t see people litter about. From morning till night, you can see cleaners are busy working 5. (keep)the city clean.
Secondly, the whole city has taken on a new look. The city government set up the Shell Theatre in the year of 2016 and it has become a symbol of this city 6. then. All the roads in this city have been rebuilt and widened. Besides, the old town has been repainted and decorated to look better.
Last but not least, the economy of this city has increased 7. (quick). With the help of the high - speed trains, this beach city has greatly improved 8. (it)ability to attract more investment(投资). Without doubt, the future of this city will be brighter.