小题1:Why did the BeauxArts style attract American entrepreneurs?

A．It helped display their money status.

B．It was created by famous architects.

C．It was named after a famous institute.

D．It represented the 19th century urban culture.小题2:What is unique of SieMatic BeauxArts?

A．Its designs are anti-conventional.

B．Its designs come from famous structures.

C．Its customers can enjoy their own composition.

D．Its customers can choose from various new styles.

根尖周肉芽肿X线片上的表现特点是（）

A.根尖周透影区边界不清楚，形状不规则，周围骨质较疏松而呈云雾状

B.根尖周有圆形的透射影像，边界清晰，周围骨质正常或稍显致密，透射区直径一般小于1cm

C.根尖周有较大的圆形透射影像，边界清晰，并有一圈由致密骨组成的阻射白线围绕

D.根尖部局限性的骨质致密阻射影像

E.根尖部有一圆形透射影像，边界清晰