1     human populations grow, animal habitats often begin to     2    . The good news is that in many places around the world, areas are now     3     set aside just     4     animal use. These wildlife     5     allow animals to live in their natural or     6    , habitats. Animals are also     7     in many zoos around the world. Modern zoos keep animals safe and allow scientists to     8     study them. The     9     scientists learn about animals, the more they can do to help protect them and     10     habitats.

When the train arrived at the station, they took a taxi to Lake Louise,     1     the blue water literally took their breath away with its exceptional beauty. They spent the night and then took a coach     2     north through the Canadian Rockies to Jasper. Looking at the beautiful scenery, they both agreed that it was the most     3     journey they had ever taken.

Thanksgiving is     1     time for tradition and sharing. Even     2     they live far away, family members gather for a     3     at the house of an older relative. All give thanks together for the good things that they have. In this spirit of sharing, civic groups and charitable organizations offer a traditional meal to those in need,     4     the homeless. Turkey, corn, pumpkins and cranberry sauce are symbols which represent the first Thanksgiving. Now all of these symbols are drawn on holiday decorations and greeting cards.

Chen Wei, a high school student in Beijing, had his dinner     1     when he heard someone screaming from another table. A fellow diner at the restaurant, Zhang Tao, was choking on some steak. He was now holding his throat with his face     2     red, while his desperate friends were     3     him on the back.

Perhaps no other scientist has had a greater impact     1     China’s aerospace science than Qian Xuesen.     2     by the authors of the Story of Qian Xuesen as a man with “great scientific thought and scientific spirit” who was     3     and served his homeland with effort, achievement, and     4    , Qian was an     5     well-respected man.

Some body language has many different uses. Perhaps the best example is smiling. A smile can help us get     1     difficult situations and find friends in a world of strangers. A smile can     2     down barriers. We can use a smile to apologise, to greet someone, to ask for help, or to start a conversation. Experts suggest     3     at yourself in the mirror to make yourself feel happier and stronger. And if we are feeling down or lonely, there is nothing better than seeing the smiling face of a good friend.