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【判断题】
当 PLC 处于停止( STOP )状态时,只完成内部处理和通信服务工作。当 PLC 处于运行( RUN )状态时,除完成内部处理和通信服务工作外,还要完成输入采样、程序执行、输出刷新工作。A.
正确
B.
错误
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【单选题】That the author mention the old roman is
A.
To compare the old Romans with today' s people.
B.
to give an example.
C.
to show human beings in the past know nothing better.
D.
to indicate human beings are used to bloodthirsty.
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【单选题】Which of the following is Not mention as a reason to enable women to original texts?
A.
Female communities provided some counterweight to patriarchy.
B.
Queen Anne's political activities.
C.
Most women had a good education.
D.
Queen Elizabeth's political activities.
【简答题】I cut one of my ________ (finger) when I was cooking. 2 . “You are old enough and you should learn to be ________(dependent) , dear , ”my mother said to me. 3. Would you mind _____(take) out the trash...
【简答题】It was Jimmy's birthday, and he was five years old. He got quite a lot of nice birthday presents from his family, and one of them was a beautiful big drum(鼓). 'Who gave him that thing?' Jimmy's father...
【单选题】What is the relation of memory to glucose tolerance, as is indicated by a research mentioned in paragraph 4 ?
A.
People with poor memory have high glucose tolerance.
B.
People with good memory have low glucose tolerance.
C.
Memory level has nothing to do with glucose tolerance.
D.
The poorer the memory, the poorer glucose tolerance.
【简答题】There is one point which is worth ( ) (mention).
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