下列哪项提示6个月婴儿发育可疑迟缓（）
A.不能按吩咐做事
B.对呼唤名字无反应
C.不会有意识喊"爸爸、妈妈"
D.不能说叠词
E.笑不出声
参考答案：E
______ about the missing Beijing-bound Malaysian flight that he decided to look for more information about it.
A．So curious he was
B．So curious was he
C．Such curious he was
D．Such curious was he
在梅奥看来，社会深受无知之苦，并死于无知。现代社会的一个具体无知是其对( )
A．人际关系的无知 B．客观世界的无知C．人性的无知 D．科技的无知
