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【单选题】
在机床、工件一定的条件下,如何解决振动造成的加工质量( )。
A.
合理选择切削用量、刀具的几何参
B.
提高切削速度
C.
提高转速
D.
每种方法都可以
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参考答案:
举一反三
【单选题】在中生代后期,世界各地都发生了一次地壳运动,在中国这次地壳运动称?
A.
喜马拉雅运动。   。
B.
燕山运动。
C.
海西运动
D.
加里乐运动。
【简答题】Can you offer examples to show sound changes in English language? 能否举例说明英语的音变?
【简答题】The contents of the documents shall be made in English language in triplicate.
【单选题】听力原文:M: Can you show me how to find an article published last year in English Language Learning? W: You can look up the index of English Language Learning, find the volume of last year's and check und...
A.
In a store house.
B.
In a publishing house.
C.
In a library.
D.
In the English Department.
【多选题】tie out中,以下报表项目简称对应正确的有()。
A.
资产负债表BS
B.
利润表ES
C.
现金流量表CFS
D.
所有者权益表IQ
【简答题】Some people find it difficult to______(success) in English language learning.
【简答题】Why English is called compact (聚集) language while Chinese diffuse (流散) one? 2. What is the basic structure in English sentence? 3. How many basic sentence types are there in English language? 4. In wh...
【单选题】The Certificates in English Language Skills (CELS) are a set of standard tests that allow you to test in one or more of the four language skills, or combine tests at different levels. Tests are availa...
A.
GELS is able to be used for all kinds of tests
B.
CELS is suitable for the people all over the world
C.
GELS is made up of CELS Higher, CELS Vantage and CELS Preliminary
D.
CELS is to test your spoken English
【简答题】Read the three sentences below and decide which sentence is more formal. You should give your reason for choice. Sentence 1 . We have rearranged the lecturer and the class period of the course Engli...
【单选题】以下关于操作型数据和分型型数据的基本特点的叙述中错误的是
A.
操作型数据是细节的,而分析型数据是综合的
B.
操作型数据是可能性的,而分析型数据是不可更新的
C.
操作型数据是事务驱动的,而分析型数据是分析驱动的
D.
操作型数据是面向分析的,而分析型数据是面向具体应用的
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