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【单选题】
The author pointed out all the following facts EXCEPT that ______.A.
to eliminate alien species for the sake of the indigenous ones is also ecological imperialism
B.
humans efforts to correct ecological disorders is actually based on human preference
C.
people's attitudes towards alien species involve moral considerations
D.
human have to design nature to protect biodiversity
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举一反三
【单选题】下列流通环节的食品处理方法中,那一个是合法的?
A.
饭店烧菜用食用香精
B.
去皮马铃薯浸在加有少量白醋的清水中以隔绝氧气，防止褐变
C.
用叶绿素将大米染成绿色成为大米新产品
D.
用硫酸处理荔枝使其变得更红
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【简答题】After talking to the old woman for a while，her fear and timidity ．
【简答题】After talking with Dr.Walker,Joyce decided