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【单选题】
The five most widely spoken Romance Languages by the number of native speakers are Spanish, Portuguese, French, ltalian, and Romanian.A.
the languages mostly spoken in the Central Asia
B.
the languages mainly used for a romantic affair or experience
C.
the languages that belong to the Italic branch of the Indo. European family
D.
none
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【单选题】They want to buy a forty-foot sailing boat ______ they plan to sail around the world.
A.
that
B.
for which
C.
on which
D.
where
【单选题】Serious as the damage ______ the boat was, he succeeded in sailing round Cape of Good Hope.
A.
in
B.
on
C.
to
D.
of
【简答题】A．Golden Gate is the name given to a bridge and a boat sailing under the bridge. B．Commuters prefer high-speed boats but tourists are attracted to more leisurely ones. C．People have to cross the Golde...
【单选题】Sailing boat is considered to be a luxury,________.
A.
quantity demanded tends to respond slightly to a change in price
B.
demand tends to be elastic.
C.
the law of demand often does not apply.
D.
All of the above are correct.
【多选题】描述统计和推断统计的区别,以下论述错误的是( )。
A.
描述统计学 内容包括统计数据的收集方法、数据的加工处理方法、数据的显示方法、数据分布特征的概括与分析方法等。推断统计学包括参数估计和假设检验等。
B.
描述统计学适用于总体数据，而推断统计学适用于样本数据。
C.
描述 统计学 是指统计学的数学原理，而推断统计学指统计学的数学应用。
D.
描述统计学是推断统计学的基础，推断统计学是描述统计学的深化。
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