皮皮学，免费搜题
登录
搜题
【单选题】
白化症的根本原因之一是由于先天性缺乏:A.
具体解析
B.
酪氨酸转氨酶
C.
苯丙氨酸羟化酶
D.
酪氨酸酶
E.
尿黑酸氧化酶
F.
对羟苯丙氨酸氧化酶
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The girl had a short rest and did her homework _____ she reached home. [ ]
A.
after
B.
before
C.
when
D.
since
【单选题】I have never seen _______________ before. What about you?
A.
so a film
B.
so a nice film
C.
such a nice film
D.
such nice a film
【简答题】系统转换的方式有四种：直接转换、平行转换、（）、逐步转换。
【简答题】I have a nice clock. It has a _________ (圆的) face.
【简答题】游戏对幼儿的发展有哪些作用?
【简答题】Having a small figure on a taller boy, Sir Tao Xingzhi was very angry. He ordered the attacter to go to his office. As Mr. Tao returned, the boy was still there, 1 . Without saying anything , he pro...
【简答题】Having seen a small figure on a taller boy, Sir Tao Xingzhi was very angry. He ordered the attacker to go to his office. As Mr. Tao returned, the boy was still there, 1 . Without saying anything, ...
相关题目：