狭义教育与广义教育的相同点在于它们都有（）
A.统一性
B.针对性
C.目的性
D.客观性
参考答案：C
___ an answer, I wrote to him again.
A．Having not received
B．Not having received
C．Not receiving
D．Did not receive
紧急停车信号（含停车信号）：两手臂高举头上，向（）急剧摇动。
A.前方
B.后方
C.两侧
D.上下
