与下齿槽神经管关系密切的牙齿是()。
A.下颌第一前磨牙
B.下颌第二前磨牙
C.下颌第一磨牙
D.下颌第二磨牙
E.下颌第三磨牙
参考答案:E
The president of Haiti said on TV that people in country were making an effort to bring end to poverty.
A.a; /
B.the ; the
C.the; an
D./; an
一个圆柱的底面半径是5cm,高是6cm.它的侧面积是______cm2,体积是______cm3.