Paragraph 7 and paragraph 8 form a relation of ________________.
A. cause and effect
B. analogy
C. comparison and contrast
D. classification
查看答案
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?
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
"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______。
A=1gT
B. A=1g（1/T）
C. T=1gA
D. A=1n（1/T）
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