【单选题】In the third paragraph the author explains______.
A.
what role the market system plays in producing public goods
B.
how weak the market system is in producing public goods
C.
why some people refuse to pay for public goods
D.
what we can do to make use of the market system
【单选题】In the third paragraph the author explains______.
A.
what role the market system plays in producing public goods
B.
how weak the market system is in producing public goods
C.
why some people refuse to pay for public goods
D.
what we can do not make use of the market system
【单选题】白天比赛,要减少( )的份额,而增加高能量易消化饲料数量。
【简答题】We learn from the third paragraph that employees in the American PR industry ________. A) speak at least one foreign language fluently B) are ignorant about world geography C) are not as sophisticated...
【单选题】We learn from the third paragraph that employees in the American PR industry ______.
A.
speak at least one foreign language fluently
B.
are ignorant about world geography
C.
are not as sophisticated as their European counterparts
D.
enjoy reading a great variety of English business publications