苯丙酮尿症新生儿期筛查试验（）
A.尿三氯化铁试验
B.尿蝶呤分析
C.染色体分析
D.血清铜蓝蛋白测定
E.Guthrie试验
参考答案：E
The woman feels that she should let her son ______ his own decision this time. [ ]
A. makes
B. make
C. to make
D. making
It seems that you___this report or you can see what I questioned just now.
A．haven’t tead
B．don’t read
C．didn’t read
D．hadn’t read
