提示胎儿肺成熟()
A.卵磷脂/鞘磷脂比值为2.3
B.淀粉酶值为500U/L
C.胆红素类物质值为0.01
D.含脂肪细胞出现率为23%
E.肌酐值为2.3mg%
参考答案:A
The couple went through all their pockets _________ their passports.
A.in honour of
B.search for
C.in search of
D.in memory of
小小模仿秀。
例:一(片片)叶子 一(把把)扇子
一(块块)________ 一(棵棵)________
一( )________ 一( )________