问答题

Topic: How to reduce traffic accidents

【参考答案】


How to reduce traffic accidents
Afte......

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单项选择题
How different is the group of Nevada test participants from their South Pacific counterparts
A．The former shows a higher leukemia death rate than the comparison group.
B．The former shows a lower leukemia death rate than the comparison group.
C．The former shows a higher death rate than the latter.
D．The former shows a lower death rate than the latter.
单项选择题
What can we learn about the result of the latest study
A．There was a significant difference in total deaths from cancer between the two groups.
B．There was no significant difference in death rates between the two groups.
C．The comparison group has a lower death rate.
D．More veterans died from leukemia than from other cancers.
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