Hunting and fishing have directly     1     the world’s animal populations. Some people hunt animals for food: whale meat is eaten in some parts of the world. Some people hunt animals for fashion: animal skin is used to make costs and bags. Still others hunt animals just for fun: deer are     2     and shot by people who enjoy the     3     of the sport.

Human activities that have     4     effects on animals can be just as harmful. When we build farms or factories, we destroy animal     5     and leave many animals with     6     to live, or no food to eat. We can also put animals in danger without ever entering their habitats. Air, water, noise and light pollution can all have a deep and     7     influence quite far from their source.     8     due to pollution     9     by ship traffic and other human activities, the dolphin population has dropped greatly. As the human population continues to grow,     10     does the effect we have on animals.

Imagine having the     1    to sing together with hundreds of other people while you are at home alone. You can do this in a virtual choir. Virtual choir members record themselves while they    2         alone on video. These videos are uploaded     3    the Internet, and then they are put together into one video that you can see online-a virtual choir.    4    can take part in a virtual choir from anywhere-    5    you need is a video camera and an Internet connection. You do not even need a     6    . A virtual choir helps connect     7     people together. Many people do not have close friends or contacts who have the same interest in music. Many others do not have the chance to join a local choir. A virtual choir    8    them to add their voices to those of other individuals and become part of the global community. It has     9     to be a positive influence on the lives of many people. As one virtual choir member said,”Music helps me to... forget my problems. With music, I become someone     10     .”

The virtual choir was the idea of award-winning composer and     1     Eric Whitacre.     2     in the USA on 2 January 1970, Whitacre began study music at the University of Nevada in 1988. He     3     in love with Mozart’s classical music     4     he sang for the university choir.     5     by this music, he said, “It was like seeing color for the first time.” He graduated     6     university in 1995, and then     7     a master’s degree in musical composition from the Juilliard School in New York in 1997. Over the next 10 years, Whitacre’s     8     compositions began to become quite     9     among choirs and singers. This     10     to the creation of the virtual choir.

When she was five years old, Lin Qiaozhi was deeply affected by her mother's death. At age 18, she chose to study medicine instead of following the traditional path of     1     (marry) like the majority of girls. Eight years later, Lin graduated from Peking Union Medical College(PUMC). She            2     (immediate)became the first woman ever to be hired as a resident physician in the OB-GYN department of the PUMC Hospital. Within six months, she was named a chief resident physician, a position that usually took four years to achieve.

After working for a few years, she was sent to study in Europe and then, in the US. She greatly impressed her American     3     (同事)and they invited her to stay. However, she     4     (拒绝)the offer. In 1941, Dr Lin became the first Chinese woman ever     5     (appoint) director of the OB-GYN department of the PUMC Hospital. Dr Lin opened a private     6     (诊所)to help people in need and charged very low     7     (费用) and often reduced costs for poor patients. At times she was even seen     8     (ride) a donkey to faraway villages to provide medical care.

The new People's Republic of China saw Dr Lin Qiaozhi playing a key role. In 1954, she            9    (elect) to the first National People's Congress and held many important positions.

Though she never married, she was known as the “mother of ten thousand babies”, having delivered over 50, 000 babies in her lifetime. And she didn't     10     (退休)until the day she died.

Hello, everyone! Let me start by     1     you a question: what's the first thing you notice about a film? The acting? The music? Maybe the amazing sets?     2     your answer is, there's always a lot more to it than first meets the eye. Actually, the film you see on the screen is the     3     of a huge     4     of hard work, most of which takes place     5     the scenes. Today, I'll give you a brief introduction to some     6     of film-making you might not be     7     with.