单项选择题

What does the world "xenophobia" mean

A．The ecological disorders.
B．The passion to save the endangered ecosystem.
C．The ecological imperialism,
D．The fear for alien species.
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单项选择题
As for what to do about alien species, the author thinks ______.
A．who should make such decisions is open to doubt
B．the decisions should be based on scientists' conclusions
C．decision making should involve more people other than scientists
D．it is morally unacceptable to eradicate all alien species
单项选择题
In the author's opinion, the attempt to eradicate the Japanese knotweed ______.
A．is worthy of praises
B．reflects people's desire to protect ecological biodiversity
C．shows people's passion to save endangered species and vulnerable ecosystems
D．is biased by human preferences
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