胃食管反流的临床表现有
A.呕吐
B.便秘
C.营养不良
D.Sandifer综合症
E.烧心
参考答案:A, C, D, E
We should realize that there are other things that society should value besides high marks, _____ honesty and responsibility.
A.for example
B.namely
C.such as
D.that is
老挝实行什么社会制度()。
A.社会主义制度
B.君主立宪制
C.共和制