问题
选择题
The conservation area is very important for preserving many animals and plants, which would ______ run the risk of becoming extinct.
A．otherwise
B．therefore
C．though
D．instead
答案
答案：A
题目分析：考查副词：整句意思为“这些国家公园对保护多种动物都非常重要，而这些动物若不保护，将可能濒临灭亡。” ， A. otherwise“否则”，B. therefore“因此”，C. though然而D. instead“代替，反而”，选A。
