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A.{x|x＞－1且x≠2}                                              B.{x|x＞2或x＜－1}

C.{x|－1＜x＜2}                                                  D.以上均不正確

A.{x|1＜x＜2或x＞5}                                            B.{x|x＞5或x＜1}

C.{x|x＜1或x＞2}                                                 D.{x|x＜1或2＜x＜5}

A.{x|－2＜x＜1或x＞1}                                         B.{x|x＜－2或x＞1}

C.{x|x＞－2}                                                       D.以上均不正確

A.{x|-2＜x＜3}        B.{x|x≤-2或x≥3}    C.{x|x＜-2}          D.{x|x＞3}