Which character is attributed to circulating fluidized bed coal combustion ash（）
A. Combustion at 730-950℃
B. Total ash is around 50% of coal
C. A byproduct from precipitators
D. Red appearance
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Which process is not a recyclable one（）
A. Energy from waste
B. Extracting metals from wastes
Composting
D. Waste sorting
Which are the two books that American pioneers brought with them when they rode westward in their exploration of the new land？ （Lec.1, 05’48’’）（）
A. King James Bible and The Complete Works of William Shakespeare
B. ESV Bible and The Complete Works of William Shakespeare
C. NIV Bible and The Complete Works of William Shakespeare
D. The Living Bible and The Complete Works of William Shakespeare
Solid wastes don’t include（）
A bottle of water
B. A gas cylinder with O2
C. Sewage sludge
D. Nuclear waste
The discard of solid waste can result in（）
A. Land Occupation
B. Air Pollution
C. Soil Pollution
D. Water Pollution
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