分电器触点表面应光洁,其触点间隙一般为()。
A.0.35-0.45mm;
B.0.6-0.8mm;
C.0.8-1.0mm
参考答案:A
犬,双眼视力逐渐减退,检查瞳孔内呈蓝白色混浊,眼内压正常,无羞明、流泪表现。治疗该病的最佳方法是()
A.全眼球摘除术
B.球结膜瓣遮盖术
C.巩膜周边冷冻术
D.虹膜周边切除术
E.超声乳化抽吸术
— What happened to the heroes in the in the end?
— All of them _____ escape from the enemy prison and began their new life. [ ]
A. tried to
B. managed to
C. wanted to
D. did their best