高普考/三四等/高員級◆英文題庫下載題庫

“Stay inside” is no longer不再，再也不 a safe way to escape from unhealthful air. Recent studies have shown that indoor air pollution is almost always two to five times倍 worse than outside pollution. Buildings create their own pollution, and the air inside many homes, office buildings, and schools is full of pollutants including chemicals, bacteria, and smoke. These pollutants are causing a group of unpleasant令人不快的，使人討厭 and dangerous symptoms such as eye or throat咽喉，喉嚨 discomfort, headache, dizziness頭暈目眩, and tiredness, which experts call “sick building syndrome病態建...

“Stay inside” is no longer不再，再也不 a safe way to escape from unhealthful air. Recent studies have shown that indoor air pollution is almost always two to five times倍 worse than outside pollution. Buildings create their own pollution, and the air inside many homes, office buildings, and schools is full of pollutants including chemicals, bacteria, and smoke. These pollutants are causing a group of unpleasant令人不快的，使人討厭 and dangerous symptoms such as eye or throat咽喉，喉嚨 discomfort, headache, dizziness頭暈目眩, and tiredness, which experts call “sick building syndrome病態建築症候群.” There is a possible solution答案, 解決辦法 to the problem of “sick” buildings.

A scientist at NASA was trying to find ways to clean the air in space stations太空站. He discovered that houseplants室內盆栽植物 actually remove pollutants from the air. But we don’t know enough yet. There are many questions. For instance, which pollutants can plants remove? Which can’t they remove? How many plants are necessary to clean the air in the room? When we are able to answer these questions, we might find that plants offer an important pollution-control system for the 21st century.