Mindy compares salespeople to wine stewards in that ______.
A．both of them have to sell products to their customers
B．both of them use their eloquent tongue to make a living
C．both of them need to suit their services to the customer's needs
D．both of the have to make recommendations all the time

调查显示，在既定月份，18～65岁的所有妇女有52%属于劳动力群体（在家庭以外被雇用)；根据这些调查，一位市场调研人员得出结论认为，18～65岁的所有妇女中48%的人一年到头都是全职的家务劳动者。下面哪个，如果正确，会严重地削弱这位调研人员的结论？
A．目前处于劳动力群体的妇女比二战以来每个时期都要多。
B．许多人，男女都有，很频繁地进入和退出劳动力群体。
C．虽然每个月只有总人口中很少的样本被调查，这些样本已经被发现是月雇用总数的可信的指标。
D．调查显示，比以往任何时候都要多的妇女把有一份带薪工作视为重要的、需要优先考虑的事情。
E．处于劳动力群体中的女性比那些不处于劳动力群体的女性有更多的可自由支配的收入。

设p为质数，若方程x2-px-580p＝0的两个根均为整数，则（)。
A．0＜p＜10
B．10＜p＜20
C．20＜p＜30
D．30＜p＜40
E．40＜p＜50

The prices quoted above do not include any taxes and levies __ upon the personnel by the government of the project-host country.
A．imposed
B．imported
C．improved
D．impressed

A．as a result
B．for one reason
C．by no means
D．at any rate

The conference __ the possibility of establishing closer diplomatic relationship between the two countries.
A．explores
B．locates
C．searches
D．tracks