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【单选题】
使用电脑扫描全自动磨边机加工镜片时要输入单侧瞳距与瞳高，将镜片光心或配镜中心对准加工中心，使镜片水平基准线与镜架水平居准线（）。A.
保持平行
B.
保持垂直
C.
重合
D.
相交
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举一反三
【简答题】Food and water have been d________ (分发,配送) among the refugees from the neighboring country.
【简答题】Food and water have been among the refugees from the neighboring country.
【单选题】Nathaniel Hawthorne's writings are noteworthy for their perceptive exploration of the hidden motivations behind the Puritan American heritage. Like many authors of his time, he faced great difficultie...
A.
the writings of Nathaniel Hawthorne
B.
the life of Nathaniel Hawthorne
C.
the classic novel written by Nathaniel Hawthorne
D.
the relationship between Hawthorne and Puritaism
【简答题】下图是 LH 型电控汽油喷射系统的组成结构示意图,请写出各编号所代表的组件名称,并说明 LH 型电控汽油喷射系统的工作原理。
【单选题】According to the conversation, the man had bought all the following things online EXCEPT
A.
shoes.
B.
CDs.
C.
camera.
D.
food.
【单选题】The passage implies that it is easy to buy’ the following things in the country EXCEPT___
A.
daily necessities
B.
fresh fruits
C.
designer clothes
D.
fresh vegetables
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