+3.00联合-2.00=（）。

轴性远视眼轴每缩短1mm，约相当有( )。

A.+3.00D曲折力之减弱，矫正镜顶焦度需增加+3.00D

B.+2.00D曲折力之增加，矫正镜顶焦度需减少+2.00D

C.+3.00D曲折力之减弱，矫正镜顶焦度需减少+3.00D

D.+2.00D曲折力之增加，矫正镜顶焦度需增加+2.00D

透镜+5.00DS，联合透镜-3.00DC*90 o的结果为（ ）。

A.+8.00DS/+3.00DS*180 o

B.+2.00DS/+3.00DC*180 o

C.+2.00DS/-3.00DC*90 o

D.+3.00DS/-2.00DC*90 o

正常情况下,血浆支链氨基酸/芳香族氨基酸比值应为

A.0.71～0.77

B.0.77～1.20

C.1.20～2.00

D.2.00～3.00

E.3.00～3.50

A.+1.00~+2.00D

B.+2.00~+3.00D

C.+3.00~+4.00D

D.+4.00~+5.00D

规则撒光眼处方：+3.00DS/-1.00DC*90°,规范写法是（ ）。

A.+3.00DS/+2.00DC*90°

B.+2.00DS/+1.00DC*90°

C.+2.00DS/+1.00DC*180°

D.+3.00DS/+2.00DC*180°

中度的远视眼的屈光度（）

A.+3.00DS-+6.00DS

B.+2.00DS-+3.00DS

C.+1.00DS-+2.00DS

避难走道楼板及防火隔墙的最低耐火极限应分别为()

A.1.00h.2.00h

B.1.50h.3.00h

C.1.50h.2.00h

D.1.00h.3.00h