Which of the following types of leaders take the fulfillment of followers’ needs as his or her primary aim? A) A transactional leader B) A n autocratic leader C) A laissez-faire leader D) A participative leader E) A servant leader
【简答题】(2017· 石家庄调研 ) 已知下列四个命题: 1“ 若 x 2 - x = 0 ,则 x = 0 或 x = 1 ” 的逆否命题为 “ x ≠ 0 且 x ≠ 1 ,则 x 2 - x ≠ 0 ” 2 “ x 0 ” 的充分不必要条件 3 命题 p :存在 x 0 ∈ R ,使得 x + x 0 + 1<0 ,则 非 p :任意 x ∈ R ,都有 x 2 + x + 1 ≥ 0 4 若 p ...