The underlined phrase "low mortality" in Paragraph 8 could best be replaced by_________
A.short life span B.low death rate C.low illness rate D.good health condition
参考答案:
答案解析:
请阅读短文,完成第题。Looking back on my childhood, I am convinced that
请阅读短文,完成第题。Looking back on my childhood, I am convinced that naturalists are b