先将企业中岗位价值最高与最低的岗位选择出来，作为高低界限的标准，然后在此限度内，将所有岗位按其价值进行逐一排序。这种岗位评价方法是（）。
A. 岗位分类法
B. 成对排列法
C. 选择排列法
D. 岗位比较法
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It can be inferred from the passage that if a woman went out to work before 1 800，she
A. would be looked down upon
B. would be respected
C. had to disguise herself as a man
D. had to be rich and educated
植物体内某些成熟细胞，在一定条件下，会失去成熟细胞的特性而恢复到具有分裂能力的细胞状态，这种现象称为脱
Few airlines want to impose a total ban on their passengers using electronic devices because．
A. they don’t believe there is such a danger as radio interference
B. the harmful effect。of electromagnetic interference is not yet to be proved
C. most passengers refuse to take a plane which bans the use of radio and cassette players
D. they have other effective safety measures to fall back on
Because of the way she had been behaving，Martin felt__________in leaving her．
A. hopeful
B. sensitive
C. justified
D. valid
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