索引(index)是依赖________建立的,它的作用是用来提高数据的_________速度。
A.索引表,处理
B.数据表,处理
C.数据表,查询
D.索引表,处理
A.索引表,处理
B.数据表,处理
C.数据表,查询
D.索引表,处理
第7题
A.len(lst)
B.len(lst[2])
C.lst[1].index('t')
D.lst.count('t')
第9题
As a measure of body fat, BMI (body mass index) is calculated according to
第10题
听力原文:Which of the following can be categorized as a lagging index?
(32)
A.Unemployment rates.
B.Manufacturing rates,
C.Interest rates,
D.People's expectations of the economy.
第11题
The S&P 500 index rose by 2.3% on July 29th as a result of ______.
A.interruption of the ministerial talks
B.the healthy pace of globe GDP
C.the growth of the world's GDP by $70 billion
D.other factors