What do we learn about NCLB
A. It proves to be a perfect educational program.
B. It doesn’t focus on test scores in reading and math.
C. It has negative effects on subjects not tested.
D. It has results in constantly tested subjects as expecte
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条件同上，问区间[-1.96，+1.96]所代表的含义为
A. 它是的95%置性区间
B. 它是总体均数(μ)的5%置性区间
C. 它是该指标的95%正常值范围
D. 它是该指标的99%正常值范围
E. 它是该指标的99%可信区间
Questions 7 and 8 are based on the following news. From the drug trade, Mexican gangs gained ______ from the US each year.
A. $1.4 billion
B. $38 billion
C. $17 billion
D. $40 billion
Rohrer为
A. 体重(g)/身高(cm)
B. 胸围(cm)/身高(cm)×100
C. 坐高(cm)/身高(cm)×100
D. 骨盆宽(cm)/肩宽(cm)×100
E. 体重(kg)/身高(cm3)×107
儿童少年学龄期身体发育的年龄分期为
A. 从出生到1岁
B. 1～3岁
C. 3～6、7岁
D. 6、7～11、12岁
E. 10～20岁
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