在整理收集的原始数据之前,应对全部数据资料进行(),使数据达到完整、真实和准确,。
A.计算
B.审核
C.统计
D.归纳
请帮忙给出正确答案和分析,谢谢!
【C2】
A.prior
B.primitive
C.primary
D.preferable
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白肋烟实物样品,每把烟叶应有()片叶。
A.15~20
B.20~25
C.25~30
D.25~40
请帮忙给出正确答案和分析,谢谢!
Mechanical arms and hands are designed for jobs that require everything EXCEPT______.
A.strength
B.precision
C.safety
D.speed
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Children in Redondo Beach, California walk to school in order to______.
A.spend time with their parents
B.reduce childhood obesity
C.walk their dogs on the way to school
D.have a great fun
请帮忙给出正确答案和分析,谢谢!
What is the mentioned cause of the obesity problem of children?
A.The food is unhealthy.
B.Children are stressed out.
C.Children exercise less.
D.Parents are careless.
请帮忙给出正确答案和分析,谢谢!
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