“穆勒五法”中,除被研究现象外,要求其他相关情况都相同的探求因果联系的逻辑方法有()
A、求同法BD
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AccordingtoUKofficialstatistics,everyyearabout2000livesarelostthroughoccupationaldiseaseorinjury,about20,000majorindustrialinjuriesoccur(e.g.skullfracture,lossofsight)andthereareabout200,000injuriesresultinginaworkdisabilityof3daysormore.
Ifyoucanfillourorderof5000tiesverysoonwe‘dliketoplacetheorderwithyounow.
WhatdoShona'sinitialresultsshowaboutmedicalservicesinBritain?
工作压力过重会导致抑郁,焦虑,甚至自杀。
相比公立学校,私立学校能提供更好的师资,更完善的教学设施和更高的教学质量。