智力可以分解为多种因素，下列哪种因素是智力的核心？（）
A.观察力
B.想像力
C.思维力
D.判断力
参考答案：C
He has been working since 7:30 this morning. ______ he is so tired out.
A．It is no wonder
B．It is no way
C．There is no need
D．There is no point
※ [29～30] .
. (4 )
A． .
B． .
C． .
D． .
