_______ abroad for a tour can be a great honor for an ordinary person like me.
A:Taken
B:Taking
C:Being taken
D:Having been taken
读拼音,写词语。
yùn zài
guàn
shuò
____
浇____
闪____
把不等式x+2≤0的解集在数轴上表示出来,则正确的是( )
如图,已知抛物线m:y=ax2﹣6ax+c(a>0)的顶点A在x轴上,并过点B(0,1),直线n:y=﹣ 12 x+ 72 与x轴交于点D,与抛物线m的对称轴l交于点F,过B点的直线BE与直线n相交于点E(﹣7,7).