【单选题】If the price of a pair of Nike sneakers costs $85 in U.S, and the price of the same sneakers is €80 in Paris, the spot rate is $1.35 per euro, the euro __________.
A.
is correctly valued according to PPP
B.
is correctly valued according to relative PPP
C.
is undervalued according to PPP
D.
is overvalued according to PPP
【单选题】We can offer you the goods high quality reasonable price.
【判断题】自然联接运算的计算过程是:首先计算笛卡尔积;然后在笛卡尔积的结果上,基于两个参数的关系模式中都出现的属性,即两个关系模式的所有同名属性进行属性值相等的选择运算;最后去除重复列。
【单选题】conscious of / unaware
【单选题】在中性点直接接地的系统中,当发生单相接地时,其非故障相的相对地电压()
【单选题】把信息有选择地告诉自己的朋友或有关的人的藤式沟通模式是()。
【单选题】We can offer you the goods high quality reasonable price.
【简答题】be conscious of _____(erous) be conscious of _____(hungry)