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【单选题】
The real act of discovery is not in finding new lands, but ___ with new eyes. (Marcel Proust)
A.
to have seen
B.
seeing
C.
in seeing
D.
to see
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【简答题】分析化学是化学测量和表征的科学,按照分析的目的来分,分析化学可以分为 、 、和结构分析等 。
【单选题】关于突触传递的下述特征中 , 哪一项是错误的
A.
单向传递
B.
中枢延搁
C.
兴奋节律不变
D.
总和
【判断题】此图 为普通三角形螺纹( )
A.
正确
B.
错误
【单选题】Robots can perform. many different tasks by ______.
A.
hand
B.
arm
C.
foot
D.
head
【判断题】AutoCAD使用过程中必须用鼠标
A.
正确
B.
错误
【单选题】哪项除外均不是尿液防腐剂:
A.
酒精
B.
安尔碘
C.
石蜡油
D.
浓盐酸
E.
84消毒液
【判断题】AutoCAD 使用过程中必须用鼠标
A.
正确
B.
错误
【简答题】水准测量误差包括 误差 、 误差 、 外界条件影响 产生的误差三个方面。
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