[单项选择]The author thinks that spiders ______. A. rival man as master of the earth B. are as firmly established on the earth as man C. are more vigorous than man D. are more firmly established on the earth than man
参考答案:D 答案解析:第一段提到it is doubtful whether man... holds planetary seat with greater assurance than the spiders,作者对人
A. underrating B. undervaluing C. underplaying D. undermining 参考答案:D 答案解析:[试题分析] 本题为形近动词词义的辨析。 [详细解答] undermine“削弱…的基础”。underrate,undervalue“低估”;underplay“表演不充分”。