逆规散光为A.垂直子午线的屈光度大于水平子午线的屈光度 B.是屈光参差的一种 C.垂

题型:单项选择题

问题:

逆规散光为

A.垂直子午线的屈光度大于水平子午线的屈光度

B.是屈光参差的一种

C.垂直子午线的屈光度小于水平子午线的屈光度

D.是不规则散光的一种

E.垂直子午线的屈光度等于水平子午线的屈光度

考点:眼科主治医师眼科专业知识视光学
题型:单项选择题
下列各组函数中表示同一个函数的是(  )
A.f(x)=
x2
,g(x)=
3x3
B.f(x)=
x-1
x+1
,g(x)=
x2-1
C.f(x)=
x
x
,g(x)=x0
D.f(x)=
x2-1
x+1
,g(x)=x-1
题型:单项选择题

大机组自保试验的目的是保护机组。()

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      On Oct 14,2011, Li Yantao, ___1__ seven-year-old pupil in the first experimental primary school of Weiyang district, Xi'an, capital of Shaanxi province, was confused when he was told he had to wear a

green scarf(绿领巾). "I don't think the green scarf is as good __2___ the red one, but I would be in

trouble with my teacher __3__ I did not wear it."The school decided to make children __4__ schoolwork and general behavior were not yet good enough wear green scarves instead __5__ the red scarf of the Chinese Young Pioneers. Parents whose children were given green scarves did not understand the

reason behind the school's measure and thought ___6___ was wrong to make some pupils wear green

scarves.   Many pupils ___7___ wore green scarves took them off and put __8___ in their schoolbags

after they left the school grounds.In the end, Chen Hong, the school's principal, had to stop this practice

and said sorry to the parents.

题型:单项选择题

舭部是指()

A.舷侧过渡互甲板的相拉部位

B.舷侧过渡到船底的弯曲部位

C.船首外板过渡到甲板的相接部位

D.船尾外壳板过渡到甲板的相接部位

题型:单项选择题

该图为某地区等高线(单位:米)示意图。读图回答问题。

E处陡崖的相对高度可能是()

A.80米

B.180米

C.200米

D.210米

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