题目内容

In paragraph 9, the question that some people raise when they try to understant a tragedy like Sgt. Russell's is _____________.

A. Do first responders become heroes because they get injured or died in their efforts?
B. Do first reponders become heroes because they succeed in their efforts?
C. If Sgt. Russel had not died, would he have been regarded as a hero?
Do first responders become heroes because they fulfill their duties?

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According to paragraph 13, we honor our heroes by ______________________.

A. fulfilling our duties in everyday life
B. working to change the circumstances that led to their death
C. admitting and admiring their heroism
D. acting heroically ourselves

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"We expect nothing less" in paragraph 12 means more than 5 words_____.

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在分光光度法中，吸光度和透光度的关系是下列四个中的哪一个______。

A=1gT
B. A=1g（1/T）
C. T=1gA
D. A=1n（1/T）

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有甲乙两个不同浓度同一有色物质溶液，在相同条件下测得吸光度是甲为0.1，乙为0.2，则甲乙的浓度关系为______。

A. 甲是乙的2倍
B. 甲是乙的1/2
C. 甲等于乙
D. 甲是乙的1/4

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In paragraph 9, the question that some people raise when they try to understant a tragedy like Sgt. Russell's is _____________.

According to paragraph 13, we honor our heroes by ______________________.

"We expect nothing less" in paragraph 12 means ______more than 5 words___________.

在分光光度法中，吸光度和透光度的关系是下列四个中的哪一个______。

有甲乙两个不同浓度同一有色物质溶液，在相同条件下测得吸光度是甲为0.1，乙为0.2，则甲乙的浓度关系为______。

"We expect nothing less" in paragraph 12 means more than 5 words_____.