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【单选题】
硬式设计A.
左右镜片本身相同，在装配时作调整：右眼镜片逆时针旋转10°；左眼镜片顺时针旋转10°
B.
镜片有左右眼别之分，左右镜片的渐变走廊都适度向鼻侧倾斜
C.
视物区分界明确
D.
镜片视近区到周边区的变化较缓和，当视线从视近区向旁边移行时，散光像差也增加得比较缓慢。很难明确断定视近区的范围
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皮皮学刷刷变学霸
举一反三
【单选题】― Did you hear the news this morning? ― Oh, yes, _____ was announced on the radio has caused great excitement among pupils. [ ]
A.
that
B.
which
C.
something
D.
all that
【简答题】什么是执法监察日常管理？主要内容是什么？
【单选题】―Did you hear the news this morning? ―Oh, yes, ________ was announced on the radio has caused great excitement among pupils.
A.
that
B.
what
C.
something
D.
all what
【简答题】简述再生制动、电阻制动和空气制动三种制动方式的制动程序。
【单选题】— Did you hear the news this morning? — Oh, yes, _______ was announced on the radio has caused great excitement among the students．
A.
that
B.
what
C.
as
D.
it
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