Twolinescanformaninfinitenumberof______.

PartIVTranslation

Thesubjectsinhisexperimentwere75collegestudents.TheyrepresentedalllevelsofabilityinEnglish:beginning,intermediate,andnative-speakingstudents.(PassageTwo)

窒息新生儿心肺复苏最重要和最有效的步骤是什么?

PartIVTranslation：

IthasabankofelectronicpenswhichwritelikethePresidentwrites,inhisfavoritelightblueink.(PassageOne)

正常分娩第一产程的临床经过，下列哪些正确：