题目内容
John James Audubon was born in 1785 and died in 1851, but his name is still spoken every day. Andubon was a scientist who loved nature. He wanted to show people the importance of nature in their lives. He was especially interested in birds, and painted many pictures of them.In 1905, the National Audubon Society was formed by people who were also interested in birds and wanted to continue Audubon’s nature studies. Even now, when people think of the Audubon Society, they usually think of birds. But the society does other things besides watching birds.The members of the Society try to improve the environment as much as they can. They have helped pass many laws that protect birds and animals, and people, too. They taught young people how to protect their environment. They try to make their own communities cleaner, better places to live in.John James Audubon knew that nature was important. He did not know how important his work would become. How did the members of the Society try to improve the environment()
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设x和y均为int型变量，且x=1，y=2，则表达式double(1+x/y)的值为 【12】 。
Questions 7 to 8 are based on the following news item. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. We can learn from the news that ______.
John James Audubon was born in 1785 and died in 1851, but his name is still spoken every day. Andubon was a scientist who loved nature. He wanted to show people the importance of nature in their lives. He was especially interested in birds, and painted many pictures of them.In 1905, the National Audubon Society was formed by people who were also interested in birds and wanted to continue Audubon’s nature studies. Even now, when people think of the Audubon Society, they usually think of birds. But the society does other things besides watching birds.The members of the Society try to improve the environment as much as they can. They have helped pass many laws that protect birds and animals, and people, too. They taught young people how to protect their environment. They try to make their own communities cleaner, better places to live in.John James Audubon knew that nature was important. He did not know how important his work would become. The idea of this article is that()
If you see someone drowning, speed is very important. Once you get him out of the water, if he isn’t breathing, you have four minutes before his brain is completely damaged. Support his neck, tilt his chin upwards. This stops the tongue blocking the air way in the throat and is sometimes enough to get him breathing again. If that doesn’t work, start mouth-to-mouth breathing. Press his nostrils (鼻孔) together with your fingers. Open your mouth wide and take a deep breath. Blow into his lungs until his chest rises, and then remove your mouth and watch his chest fall. Repeat twelve times a minute, keep going until professional help arrives.To bring a child back to life, keep your lips around its mouth and nose and gently blow into its mouth. Give the first four breaths as quickly as possible to fill the blood with oxygen. If, in spite of your efforts, it starts turning blue grey colour, and you can feel no pulse, then pressing its chest is the last chance of saving its life.With arms straight, rock forward, pressing down on the lower half of the breastbones. Don’t be too hard, or you may break a rib (肋骨). Check how effectively you are by seeing if his colour improves or his pulse becomes independent to your chest pressing. If this happens, stop the pressing. Otherwise continue until an ambulance arrives. If you want to save someone drowning, you ()
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