关于内因性均称型FGR的特点正确的是()。
A.体重,身长,头径均相称
B.外表无营养不良表现
C.器官分化或成熟度与孕龄相符
D.各器官的细胞数均减少
E.以上说法均正确
参考答案:E
下列运算符中属于关系运算符的是( )。
A.==
B.=
C.+=
D.-=
I________the wonderful 2010 World Cup Finals live on TV, but this summer vacation I missed it.[ ]
A. could have watched
B. might watch
C. must have watched
D. need have watched