某工厂加工一批工件，按要求进行100%检验，发现有两个工件不合格，决定返回加工车间进行返工，返工后直接送到装配车间进行组装。
参考答案：83
The boy the teachers considered ______was caught _____ in the exam, which surprised us very much. [ ]
A. to be the best; cheating
B. as the best student; to cheat
C. to have been studied well; cheating
D. as a good student; to cheat
最适合新生儿及幼婴的给氧方式是（）。
A.鼻导管法
B.口鼻罩法
C.头罩吸氧
D.氧气帐吸氧
E.人工呼吸机吸氧
