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单选题
The lumber bridges were devised to __________.
A
improve chances for tamarins to meet and mate
B
connect once separated habitats for the sake of research
C
make use of some lumber cut down
D
both A and C
参考答案
参考解析
解析：
本题是细节题。第四段：一个简单的解决办法就是建造横跨大路的大桥，可以使这些猴子们从一片森林移向另一片森林。有了由这些伐木做的桥和研究者的工作，原先被分隔开的栖息地又连在一起了，这提高了猴子们移居和交配的机率。所以答案为A“提高了绢丝候相遇和交配的机会”。
本题是细节题。第四段：一个简单的解决办法就是建造横跨大路的大桥，可以使这些猴子们从一片森林移向另一片森林。有了由这些伐木做的桥和研究者的工作，原先被分隔开的栖息地又连在一起了，这提高了猴子们移居和交配的机率。所以答案为A“提高了绢丝候相遇和交配的机会”。
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