Studies have shown that 45 percent of reptile species and 24 percent of butterflies in these countri

题目简介

Studies have shown that 45 percent of reptile species and 24 percent of butterflies in these countri

题目详情

Studies have shown that 45 percent of reptile species and 24 percent of butterflies in these
countries are in danger of ________.
[     ]
A.dying down  
B.dying away
C.dying back  
D.dying out
题型:单选题难度:中档来源:同步题

答案

D

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