题目内容

Fill in the following blanks with no more than three wordsText A is a (an) ____________ writing in which the author tries to make a contrast between two different opinions about ___________________, through which he tries to justify his claim that _________________ should be put above ______________________, and that human beings should protect nature only on the grounds that their own interests are guaranteed.

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SR触发器中,不允许的输入是()

A. SR=00
B. SR=01
C. SR=10
D. SR=11

下列触发器中,具有置0、置1、保持、翻转功能的是()

A. D触发器
B. JK触发器
C. T触发器
D. SR触发器

当T=1时,具备时钟脉冲后T触发器的次态为()

A. 置0
B. 置1
C. 保持
D. 翻转

脓液稠厚,有恶臭或粪臭_。

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