The Foreign Minister’s Five-day visit to this island country, ______to promote the relationship between

them, turned out to be a failure because of their differences about nuclear weapons.

A. intending        

B. intends        

C. to intend        

D. intended

牙尖顶偏近中的牙是（）

A.上颌乳尖牙

B.下颌乳尖牙

C.上颌第一前磨牙

D.上颌第一乳磨牙

E.下颌第一乳磨牙