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Since the early 1990s, conservationists have______protecting the Amazon in part because of its abundance of plant and animal spe
Since the early 1990s, conservationists have______protecting the Amazon in part because of its abundance of plant and animal spe
admin
2013-11-24
53
问题
Since the early 1990s, conservationists have______protecting the Amazon in part because of its abundance of plant and animal species.
选项
A、called forth
B、called back
C、called up
D、called for
答案
D
解析
各项的意思是:call forth引起,唤起;call back召回;call up召集,动员;call for呼吁。
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考博英语
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