下列做法中，体现了诚实守信要求的是（）
A.知耻后勇
B.凿壁借光
C.童叟无欺
D.程门立雪
参考答案：C
设a=log34，b=log0.43，c=0.43，则a，b，c的大小关系为（ ）
A．a＞c＞b
B．c＞a＞b
C．b＞c＞a
D．c＞b＞a
_______ he has bought the house? [ ]
A. Why is it that
B. Why is that it
C. Is it why that
D. Is it that why
