2 . 课文原词填空
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.