皮皮学,免费搜题
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【判断题】
自催化反应过程的基本特征是存在一个最大反应速率点。
A.
正确
B.
错误
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参考解析:
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【单选题】听力原文:W: John, I don't know what to get for your father. He bus just about everything, doesn't he? Do you have any suggestions? M: Why don' t yon get him a pocket calculator? Q: Why doesn't the woman k...
A.
She feels that he won't accept anything.
B.
She' s sure he already has a pocket calculator.
C.
She thinks he has almost everything he wants.
D.
She' s afraid he wants more than she can afford.
【判断题】立铣刀是数控加工中应用最多的一种铣刀,主要用于加工凹槽、较小的台阶面以及平面轮廓。(   )
A.
正确
B.
错误
【单选题】人们对自己的名字之类的刺激比较敏感,激活阈限低,容易激活。这种现象可用( )解释。
A.
过滤器理论
B.
后期选择理论
C.
衰减理论
D.
可变焦距理论
【单选题】在我国, “会计”一词最早见于( )时代。
A.
西周
B.
西汉
C.
唐宋
D.
明清
【单选题】Java源代码文件的扩展名为
A.
.txt
B.
.class
C.
.doc
D.
.java
【单选题】人们对自己的名字之类的刺激比较敏感,激活阈限低,容易激活。这种现象可用( )解释。
A.
过滤器理论
B.
衰减理论
C.
认知理论
D.
双加工理论
【单选题】采用数控铣床加工平面螺旋槽时,下列说法正确的是( )。
A.
可直接人工编程输入键盘,不须通过穿孔纸带
B.
螺旋铣刀是用螺杆直接紧固
C.
在铣床主轴内进行手动对刀时,可直接使用手动快速移动方式
D.
利用分度头进行加工
【单选题】听力原文:W: John, I don't know what to get for your father. He has just about everything, doesn't he? Do you have any suggestion? M: Why don't you get him a pocket calculator? Q: Why doesn't the woman kno...
A.
She feels that he won't accept anything.
B.
She's sure he 'already has a pocket calculator.
C.
She thinks he has almost everything he wants.
D.
She's afraid he wants more than she can afford.
【简答题】听力原文: About 2 months ago, we ordered the new photo copiers that they were selling. But they still haven't appeared. Now they've written to say they are sorry they weren't delivered on time. They expec...
【简答题】Tech support:Ridge Hall computer assistant, may I help you? Customer: Yes, well, ________________ (我的WordPerfect有问题了). I was just typing along, and all of a sudden the words disappeared. Tech support:...
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