正常细胞中不存在癌基因，只有在癌细胞中才有癌基因。（）

—I'm ______ to eat a horse now! 

—Really? But I don't have ______ for you. It's a great pity! [ ]

A. hungry enough; food enough

B. enough hungry; enough food

C. hungry enough; food enough

D. hungry enough; enough food

手术应主要注意

A．预防休克发生

B．防止即将出现的腹膜炎

C．判断被嵌顿的组织的生命力

D．去除病灶

E．消除病因

重症肌无力的患者一般不影响什么肌肉（）

A.眼外肌

B.延髓肌肉

C.颈项肌肉

D.肢带肌肉

E.瞳孔括约肌

以下属于人文景观的是( )。

A．甘肃莫高窟
B．江西庐山
C．四川九寨沟
D．吉林长白山天池

With respect to corporate governance, which of the following is most likely eligible to serve on the board:（）

A. independent board members.

B. independent nonexecutive board members.

C. executive board members.