Question

-7的絕對(duì)值的相反數(shù)的倒數(shù)是（　�。�

• A．-7
• B．7
• C．-

  1

  7

• D．

  1

  7

Answer 1

分析：先根據(jù)絕對(duì)值的意義得到-7的絕對(duì)值為7，再根據(jù)相反數(shù)的定義求出7的相反數(shù)為-7，然后根據(jù)倒數(shù)的定義求出-7的倒數(shù)即可．

解答：解：∵-7的絕對(duì)值為|-7|=7，7的相反數(shù)為-7，-7的倒數(shù)為-

1

7

，
∴-7的絕對(duì)值的相反數(shù)的倒數(shù)是-

1

7

．
故選C．

點(diǎn)評(píng)：本題考查了倒數(shù)的定義：a（a≠0）的倒數(shù)為

1

a

．也考查了相反數(shù)與絕對(duì)值．