根据致病性，禽流感病毒分为（） A.甲、乙、丙三类 B.高致病性和低致病性两类 C.

Jim eats too much and never exercises, so he is _____ unhealthy. [ ]

A. kinds of    

B. a kind of    

C. all kinds of        

D. kind of

Now more and more people in Yancheng like travelling from one place to _______ to enjoy the beautiful

scenery of the city. [ ]

A. other

B. others

C. the others

D. another

旋复花汤3功效与作用

大豆与谷类同时食用可起到蛋白质互补作用，主要是因为大豆蛋白中富含谷类蛋白中缺乏的（）

A.组氨酸

B.精氨酸

C.赖氨酸

D.丙氨酸

E.甘氨酸