科学发展观核心是()。
参考答案:以人为本
He asked me__________with me.
A.what the matter is
B.what the matter was
C.what is the matter
D.what was the matter
下列图中所示的变化不属于化学变化的是( )
A.
木炭燃烧
B.
葡萄酿成酒
C.
镁条燃烧
D.
煤块制成蜂窝煤