【C9】
A. in light of
B. in line with
C. in case of
D. in time of
Why do some people become vegetarians？
A. Because they want to develop a strong immune system.
Because some of the highest pesticide residues appear in meat.
C. Because fruits and vegetables contain more nutrients.
D. Because they consider eating animals as unethical.
Waste firms expect a great development in China, India and Brazil because
A. those economies have a large amount of waste to be treated.
B. those economies develop fast but spend little on waste business.
C. those economies welcome waste firms to run business there.
D. those economies pay more attention to environmental protection.
【C16】
A. claim
B. join
C. vote
D. win
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