关于焦点的极限分辨力叙述错误的是（） A.焦点大分辨力低 B.焦点面上X线量分布为单

读下面短文，画出家谱图 

    This is my friend John Wilson and his family. This is his grandfather. His name is Fritz. This is his grandmother. Her name is Evelyn. This is his mother. Her name is Anna. This is his father. His name is Earl. Earl’s parents are Fristz and Evelyn. These are his sisters, Christie and Carina.

 1. ______2. ______3. ______4. ______

肥厚型心肌病的治疗措施正确的是（）

A.迟缓肥厚的心肌

B.防止心动过速

C.增强心肌收缩力

D.减轻左室流出道狭窄

E.以上均正确

装维人员在处理劣化光路的同时，为节省时间，可以直接使用更换新冷接子的方法进行处理。

地衣（lichen）