1.prior to its use, the questionnaire was pretested on two groups of trainees.
这份调查问卷在正式使用之前，让两组实习生做过。
2.Pretesting is recommended because patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency may develop "severe hemolysis" when taking this drug, the FDA table notes.
做过。
备考
,
测，因为葡萄糖-六-磷酸盐去氢酶(G6PD)
者服用此药会发生严重的溶血；
