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【单选题】
在柴油机长期运转之后发生的疲劳裂纹多是（）。A.
扭转疲劳
B.
弯曲裂纹
C.
腐蚀疲劳裂纹
D.
应力疲劳裂纹
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反馈参考答案：
举一反三
【单选题】The newcomers found if impossible to _______themselves to the climate sufficiently to make permanent homes in the new country.
A.
suit
B.
adapt
C.
fit
D.
match
【单选题】根据《企业所得税实施条例》第40条规定：企业发生的职工福利费支出，不超过工资薪金总额( )14％的部分，准予扣除。
A.
8％
B.
10％
C.
1 2．％
D.
14％
【单选题】What is the attitude of the neighbourhood to the newcomers?
A.
They are indifferent to them.
B.
They never speak to them.
C.
They try to be friendly to them.
D.
They don't want to know them.
【简答题】企业发生的职工福利费支出，不超过工资薪金总额[填空(1)]的部分，准予税前扣除
【简答题】A．The newcomers don't like the new environment shortly after their arrival. B．The newcomers begin to hate the city, the country in the new culture. C．The newcomers begin to enjoy their life more after...
【多选题】分光光度计使用时应该注意事项()。
A.
使用前先打开电源开关,预热30分钟
B.
注意调节100%透光率和调零
C.
测试的溶液不应洒落在测量池内
D.
注意仪器卫生
E.
没有注意事项
【单选题】Sam doesn't do well ______ any subject because he is very lazy. [ ]
A.
of
B.
on
C.
in
D.
with
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