常见的病毒性肝炎有 _________ 、 _________ 、 _________ 、 _________ 、 _________ 五型。
参考答案:甲乙丙丁戊
改错。
( ) 1. What are your father like?
A B C
( ) 2. Does they have a new teacher?
( ) 3. —Is he strict? —No, she isn't.
( ) 4. His music teacher is young or pretty.
( ) 5. Where do you from?
()分布于肛管齿状线以下。
A.内脏神经
B.躯体神经
C.两者均是
D.两者均否