阅读理解

       Hello, I'm Lucy. I am from the USA. But now I'm in China. My teacher is Miss Chen. She is from

Tianjin. She is Chinese. I have a sister. Her name is Lily. She is in China , too.We are in the same school.

阅读短文，判断句子正(用“T”)误(用“F” )

( )1. Lily and Lucy are from Canada.

( )2. They are in China now.

(     )3. Miss Liu is their teacher.

( )4. Miss Chen is from Dalian.

( )5. Lily and I are students.

在酶的作用下，细胞内把氨基酸转变为尿素，这个复杂的化学变化最初是（　　）

A．合成新蛋白质

B．转氨基作用

C．脱氨基作用

D．氨基酸脱浚作用