新生儿缺氧缺血性脑病的病因中最容易被忽略的是（）。
A.产前慢性缺氧
B.产时窒息
C.宫内窘迫
D.产后患儿呼吸衰竭
E.出生时评分
参考答案：A
—What class are you in?
—I’m in ____, ____.
A. class Three; grade Seven B. Class Three; Grade Seven C. Grade three; Class seven
