【单选题】国际格局是一定历史时期内,国际社会若干主要力量相互联系、相互作用而形成的一种相对稳定的()结构或状态。
【单选题】衡量膳食质量的标准为: ( ) 是前提; ( ) 是目的; ( ) 是条件; ( ) 是保障。
【单选题】根据等产量线与等成本线相结合在一起的分析,两种生 产要素最适组合是: ( )
【简答题】3 So a conclusion is that our cravings are not ____, or based on ____, but are more the result of our ______ experiences with food.
【单选题】Poor Tim! He had his pocket ________on his way to the theatre. So he had to give up his favourite play.
【单选题】衡量膳食质量的标准为:——是前提;——是目的;——是条件;——是保障。
【单选题】衡量膳食质量的标准为:( )是前提;( )是目的;( )是条件;( )是保障。1
【单选题】His manner was______ offend everyone who he met.
【单选题】---What is the newcomer like? ---His manner is to offend everyone he has met.
【单选题】Which of the following is NOT a conclusion about market allocations of commodities causing pollution externalities?
A.
、 Recycling and reuse of the polluting substances are discouraged since release into the environment is so inefficiently cheap.
B.
、 Too much pollution is produced.
C.
、 The output of the commodity is too large.
D.
、 The prices of products responsible for pollution are too high.