乳清酸尿症由下述哪些酶缺陷引起()
A.氨基甲酰磷酸合成酶Ⅱ
B.氨甲酰转移酶
C.二氢乳清酸酶
D.乳清酸磷酸核糖转移酶
E.乳清酸核苷酸脱氢酶
参考答案:D, E
---- Shall we go to the Palace Museum for the National Day holiday?
---- _____! But it is too far away.
A.You’re welcome.
B.That’s all right.
C.It doesn’t matter.
D.That sounds great.
论述门窗安装施工安全技术。