It can be inferred from the passage that the author was considered______.
A. first of all a scientist
B. no more than a born naturalist
C. a scientist as well as a naturalist
D. a naturalist but not a scientist
查看答案
教育法律救济的前提是（）
A. 纠纷的存在
B. 补救受害者的权益
C. 损害的发生
D. 获得赔偿
【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.
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