SELF-REINFORCEMENT EXERCISES 5 Pre-เตรียม
{"name":"SELF-REINFORCEMENT EXERCISES 5 Pre-เตรียม", "url":"https://www.quiz-maker.com/QBXBDAYY8","txt":"Name:, EXERCISE 5CLOZE TESTChoose the best answer to complete each blank in the passages below., Rising carbon dioxide levels are one of the main problems inside buildings,_____1_____ John Spengler, the Akira Yamaguchi Professor of Environmental Healthand Human Habitation at the Harvard School of Public Health. A recent study hewas _____2_____ in shows that higher CO2 levels can affect work _____3_____.The researchers gave a number of tests to _____4_____ exposed to differentlevels of CO2 and found that workers subjected to CO2 levels of 1,000 parts permillion or higher showed _____5_____ in decision making. Office buildings currentlymeasure around 600 to 1,200 ppm, but these numbers will rise as outside CO2levels increase with climate change.","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}