A．flourB．sourC．tourD．hour
A. flour
B. sour
C. tour
D. hour
查看答案
What can we conclude from this passage？
A. Greeks and Romans significantly influenced European culture.
B. The Greeks were the founders of democracy.
C. The Greeks and Romans were bitter enemies.
D. People of the classical world were barbaric and uneducated.
A．deadlineB．handsomeC．adjustD．sandwich
A. deadline
B. handsome
C. adjust
D. sandwich
当总体方差已知时，建立总体均值μ的置信区间的统计量服从()。
A. 正态分布
B. t(n-1)分布
C. x2分布
D. t(n-2)分布
明代的一条鞭法和清初的地丁银制度反映当时社会经济的特点是()。
A. 赋税制度已经比较发达
B. 商品经济有一定程度的发展
C. 自然经济渐趋瓦解
D. 资本主义萌芽发展较快
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