在城市群研究的理论中，麦吉提出的概念是
A．田园城市
B．组合城市
C．城乡融合区
D．城市区域
参考答案：C
在对砼构件进行钻芯取样时，每个构件的钻芯数量不少于（）个且每个试件内最多只允许含有二根直径小于（）㎜的钢筋。
---- If he had been warned, he ______ that food yesterday.
---- Luckily he was sent to the hospital immediately.
A．would not take
B．would not have taken
C．had not taken
D．didn’t take
