The main purpose of this text is to______.
A．convince the reader of the beneficial effects of consuming chocolate
B．educate the reader on the history of chocolate
C．inform. the reader on the development of chocolate and its continued study today
D．scientifically examine the implications of chocolate consumption in the past and at present

未分类题大班幼儿的自我评价发展趋势是()

未分类题From the text we learn that______.A．game theory is arguably the most important aspect of applied economicsB．most people are unaware of the existence of game theory in economics, thus spurring criticismC．without game theory, economics is of very little use to practical decision-makingD．game theory makes applied economics more practical and useful

未分类题The text shows that the author views economics as______.A．a science useful for decision-making in both the long and the short term, as demonstrated by the example of game theoryB．an entirely applicable science, despite common criticisms of short-sightednessC．a short sighted science, except for the concept of game theoryD．the most practical and useful method by which to determine the proper solutions to long and short term questions

未分类题The main purpose of paragraph 4 is to______.A．reiterate the argument that economics is not a short-sighted scienceB．summarize the preceding argument presented in the textC．state the concept of game theory's application to economics in a condensed versionD．lead the reader to a conclusion supported by the author

未分类题对家长工作的总原则有()