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【单选题】
正确度、精密度和准确度相关关系示意图显示为A.
图a正确度较低、精密度较高
B.
图b精密度较低、正确度较高
C.
图c精密度和正确度都较高，即准确度较高
D.
图b精密度和正确度都较低，即准确度较低
E.
图a正确度较低、精密度较低
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【单选题】听力原文： When cars first started appearing on the streets of the world, few people took them seriously. They were toys--playthings for grown men who didn't have much to do. No one thought that the automo...
A.
The two models of cars.
B.
The history of car industry.
C.
The development of cars in America.
D.
The structure of Duesenberg cars.
【简答题】男女握手礼仪遵从 优先原则;
【单选题】He asked me .
A.
who did kick the first goal in the World Cup
B.
when was the APEC meeting held
C.
when China became a member of the WTO
D.
where will the 2008 Olympics be held
【简答题】New York: when the first jet struck, World Trade Center at 8:48 am on Tuesday, the People in 2 World Trade Center with a view of the instant damage across the divide had the clearest sense of what the...
【单选题】When was the deadly avian flu first discovered in humans in the world?
A.
1997.
B.
1998.
C.
2003.
D.
2004.
【单选题】When the first English settlers arrived in the New World, the Indians _______ jewelry made of animal bones greeted them warmly.
A.
wearing
B.
to wear
C.
worn
D.
having worn
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