政府直接投资项目的实施应特别强调实行（）。
A.批准制
B.核准制
C.备案制
D.代建制
参考答案：D
The second runway of Hong Kong International Airport was officially ____ on May 26,1990.
A．put into effect
B．made use of
C．taken notice of
D．put into use
咬肌间隙
