Which book conveyed the message that slavery was the root of social cruelty（）
A. Common Sense
B. Declaration of Independence
C. Uncle Tom’s Cabin
D. Mayflower Compact
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Which of the following is not included in the Stamp Act to tax on（）
A. diamond
B. newspaper
C. legal document
D. marriage certificate
In some cases, the application of atomic economical reaction in chemical synthesis is not enough for eliminating the formation of wastes. These cases include（）
A. The presence of parallel reaction;
B. Low equilibrium conversion;
C. Low product stereoselectivity;
Difficulty in product separation
Properties of chemicals related to their environmental distribution or dispersion include（）
A. Volatility or melting point;
B. Persistence or biodegradability;
C. Water solubility;
D. Conversion to biologically inactive substances
The energy is widely used in chemistry and chemical industry in the following aspects（）
Accelerates the reaction rate with heat;
B. The need to control reactivity through cooling;
C. Pre-heating of the reaction mixture;
D. Separation energy requirement
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