第31题: [填空题]More than half of the United States’threatened and endangered species live only in wetlands, and nearly one-third use wetlands at some point in their lives. 参考答案:N 答案解析:文章在“What are the functions and values of wetlands ”的标题下“Fish and wildlife habitat.”一段中指出“More than o
第32题: [单项选择]L185型电连接线夹适用范围()。 A. GLJ185与GLJ185 B. GLJ185与LJ185 C. LJ185与LJ185 D. LXGJ100与L185 参考答案:B