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搜题
【单选题】
花键联接与联接相比较,( )的观点是错误的。
A.
承载能力较大
B.
对中性和导向性都比较好
C.
对轴的削弱比较严重
D.
可采用磨削加工提高联接质量
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【简答题】作文:以___是人生的必修课要求考生自定立意、自选角度写一篇文章。
【单选题】Where there is neither the name of the producer or the name of the manufacturer nor the trademark or brand name on the package, such package belongs to
A.
.Unlicensed neutral packing
B.
.Brand neutral packing
C.
Fixed brand production
D.
sales packaging
【判断题】段落和层次是文章结构的重要内容。运用特定电脑技术,可使文本的段落和层次更加明晰、醒目。首字下沉。符号和编号。段旨变体。()
A.
正确
B.
错误
【判断题】达到宝石级的刚玉,除了红色以外都称为蓝宝石。()
A.
正确
B.
错误
【简答题】Jim was so badly burnt that at first they began to _____ of his life. A. despair    B. designate    C. disappoint    D. despise
【单选题】It is unimaginable for someone in such a high ______ in the government to behave so badly in public.
A.
situation
B.
position
C.
profession
D.
appointment
【单选题】The mechanical arm finds a tape by
A.
recording the file name on the tape
B.
identifying the printed code on the tape
C.
looking for its file name
D.
searching for the tape number
【判断题】除了红色以外的刚玉,都称为蓝宝石。
A.
正确
B.
错误
【单选题】The fish smells_________, so it sells___________. [     ]
A.
bad; bad
B.
badly; badly
C.
bad; badly
D.
badly; bad
【简答题】(一)记录两个光栅在未加应力时的反射波长(单位为nm)。
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