Shenzhen is a modern, busy and beautiful _______. It was a small fish village 40 years ago. Since 1980, it _______ its rapid (快速的) development. And its population also _______ fast. Now Shenzhen has a _______ population of about 17 million.

Shenzhen lies in the south of Guangdong Province. It’s a seaside city with mountains and water. It is _______ in spring and autumn. It is cool in winter and hot in summer.

The Window of the World is one of the most _______ places to visit in Shenzhen. Every year, thousands of _______ go there. If you visit there, you can see many famous _______ around the world, such as Eiffel Tower and Sydney Opera House. If you _______ doing something exciting, Shenzhen Happy Valley is also a good _______. I am sure that you will have a good time there.

Polar bears are ready to welcome you! China’s first Polar Bear Hotel opened in Harbin on March 12. You can get a close look at polar bears at this _______ hotel.

The hotel has over 20 rooms. Each has a _______ theme. Some of the rooms are painted blue and white. Others have walls that look like glaciers (冰山).

The rooms have windows and floors made _______ strong and thick glass. You can get a clear look at the polar bears. _______ you are eating in the hotel’s dining hall, polar bears are playing with each other right under your feet! When you are resting in your room, polar bears are swimming or resting just next to you on the other side of the window. You can even feed these big guys from a safe distance (距离).

Polar bears are right here waiting for you. Come and be _______ with them!

Last year, I went to Germany to visit my uncle. His home was ______ a school. Each morning I could see lots of   ______ riding bikes into school. It made me ______ : Was it like this at my school? The answer was ______ ! At my school there was one small bike shelter（自行车棚）, ______ in fact very few people used ______ . In England it was very common to drive, ______ a bus or walk somewhere. In Germany, I often saw people, even people over eighty years old travel by ______ .

The city where I lived is very flat ______ it is much less tiring to travel by bike. It gets you to places faster. It is much cheaper than traveling by bus or by car and it is also ______ your health. Oldenburg is close to my uncle’s city. In Oldenburg there are ______ bikes than people! There are cyclists（骑自行车的人）everywhere and you have to be very ______ when you are walking on the road. You should look around and make sure that there isn’t a cyclist coming. To be ______ there are not only special roads for cyclists, but ______ roads for people to walk on.

After living in Germany for a month, I ______ traveling by bike much more interesting. I decide to ride a bike more often after I went back to England.