第二语言教材可以分为不同的类型，《儿童汉语》、《大学英语》等是按学习目的分出来的。
A、对
B、错
He felt uneasy at the of his mother's illness.
A) risk B) cost
C) thought D) point
I ran Alice, who was on her way to see how I was getting along.
A) up B) out C) over D) into
