单件小批量生产企业制定劳动定额时应采用（）
A、经验估工法C
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Thebookfairhasreceivedapositive________fromreaders.
Tounderstandthesentence,youshouldanalyzeitsparts________.
重写句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)
Ithasbeenfoundthatastrong________helpovercometheeffectsofdistraction.
Pleaseremindme_______herthisnote.
