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【单选题】
II类手持电动工具是带有( )绝缘的设备。
A.
基本
B.
防护
C.
双重
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参考答案:
举一反三
【简答题】There are also many people who are interested in Chinese ______(传统的) medicine, painting and calligraphy.
【判断题】设施果业通常指塑料大棚内种植果树。()
A.
正确
B.
错误
【判断题】采煤班组长在指挥生产过程中,注意保护监测设备、抽放设施和通风设施。()
A.
正确
B.
错误
【判断题】按现行国家标准,表面粗糙度的评定参数有Ra、Ry和Rz三个。
A.
正确
B.
错误
【单选题】For the first time in this century also, many people are able to enjoy their leisure to the full, ______trips to the country or seaside at weekends, instead of being confined to their immediate neighb...
A.
making
B.
to make
C.
made
D.
having made
【单选题】Many people in Kuwait are ______.
A.
not only well-educated but also rich
B.
well-educated as well as illiterate
C.
very rich but ill-educated
D.
as poor in economy as in education
【简答题】内、外螺纹旋合时 , 需要 、 、 、 、 等五要素相同
【单选题】设施布置要解决的问题是()
A.
设施内部的生产作业单位组成
B.
设施内部生产作业单位的数量
C.
设施内部的物流、人流、能源流、信息流是否合理
D.
设施内部各个生产作业单位的专业化生产形式及所需设备
【简答题】《电力设施保护条例》划定的电力线路设施的保护范围是哪些?
【单选题】-----Why do many people like to ride bikes? ----Because bikes not only need ________ space, but also cause _________accidents.
A.
less, fewer
B.
fewer, less
C.
less, less
D.
fewer, fewer
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