问题
选择题
The national parks are very important for the protection of these wild animals, which would ______ run the risk of becoming extinct.
A．therefore
B．instead
C．otherwise
D．anyhow
答案
答案：C
词义辨析。Therefore因此；instead代替，而不是；otherwise 否则，不然；anyhow无论如何，不管怎样。句意：国家公园对于这些野生动物的保护非常重要，否则这些动物可能会面临灭绝的危险。所以选C。