[填空题]As for air quality indoors, Australians suffer a higher concentration of pollutants than people in other regions.

[填空题]As for air quality indoors, Australians suffer a higher concentration of pollutants than people in other regions.

[填空题]Seventy-five to 90% of all adults suffer adverse health effects from stress.

[填空题]
1 In 2002, the Earth Summit was held in Johannesburg in South Afric

• a. One of the main themes of the summit was "sustainable development", or the question how we can continue developing the world without damaging the environment.
  2 In Johannesburg, experts from all over the world spoke about different topics and discussed new ways to solve old problems. Most of the speakers talked about the "big three", the three biggest killers in the world-contaminated drinking water, poor sanitation and air pollution. According to the World Health Organization, the big three cause more than seven million deaths every year. That is 15% of all the deaths in the world. 20% of the people on earth do not have access to clean drinking water. Air pollution alone causes almost three million deaths. Most of these deaths happen in rural areas, where people burn wood and coal to cook food and stay warm. Air pollution is especially a
  

[单项选择]The air inside .a house on office building often has more contaminants（）the heavily polluted air outside.
A. than does
B. as
C. as some that are
D. than that of

[单项选择]Accidents can happen indoors. Many young children are accidentally hurt when playing in their homes. How do these accidents happen
A housewife is a busy person. She had to do all the work in the house. Sometimes she is careless. She puts a pot of hot water on a table. A little child can reach it. Then she goes out of the room. The little child reaches up and drags the pot towards him. The hot water may spill over him and scald him. The mother hears the cry of pain and rushes into the room, but it is too late. The child must be taken to the hospital at once.
Accidents like these ought not to happen. We must not put the pots and pans full of hot water or other hot things in the reach of small children. And we must not leave the small children by themselves.
All things which can cut are dangerous. Sharp knives and scissors should be put away out of the reach of children.
Electricity is always dangerous, it can be useful but it can also kill us! You should neve
A. The child.
B. The mother.
C. Nobody.

[填空题] Catherin
Get more natural sunlight indoors by trimming bushes around your windows and keeping curtains and blinds open.
Sir near windows at school , at work, on public transportation and when dining out. If you exercise indoors, do it near a window.
Cindy
Take all or parts of your vacation in winter instead of summer -- and head for a sunny destination.
Sally
A study showed that one hour outdoors during the daytime -- even when the sun is not shining -- provides enough light to lift the spirit significantly.
Anna
Fruits and vegetables -- low in fat and high in carbohydrates -- are great choices for weight control if they aren’t smothered in high-fat cheese or cream sauces. True, your choices in winter are more limited. But thanks to modern shipping and refrigeration techniques, many popular varieties of produce are available year-round.
Anne
High-fat meats -- red meats, franks a