原材料引用(Materials)

20. It said people should increase the number of chest presses from fifteen to thirty for every two breaths given.

?t s?d ?pip?l ??d ??n?kris e? ?n?mb?r ?v ??st ?pr?s?z fr?m f?f?tin tu ?θ?rdi f?r ??v?ri tu br?θs ?g?v?n.

21. Gordon Ewy is a heart doctor at the University of Arizona College of Medicine inTucson.

?g?rd?n ?e?vi ?z ? hɑrt ?dɑkt?r ?t e? ?jun??v?rs?ti ?v ??r??zo?n? ?kɑl?? ?v ?m?d?s?n ?n ?tu?sɑn.

22. He wrote a report that appeared with the study.

hi ro?t ? r??p?rt e?t ??p?rd w?e e? ?st?di.

信息和事實(Facts)

[??/?r] ? ?r/??

感受與評價(Comments)

今天在學/??/和/??/這兩個音標的時候，發(fā)現(xiàn)自己對/?//?//?/的舌位概念非常模糊，音標要每天都復習一遍，爭取不忘，還有就是今天沒有早起，很困。這樣不行喲。

S說要學到哭，emmmm……哭沒關系，肯學就好。

統(tǒng)計累計的練習小時數(shù)(Hours)

0.5ｈ