Which of the the following statements is true true ? ( ) A: “Two countries can achieve gains from trade even if one of the<br/>countries has an absolute advantage in the production of all goods.” B: “Certain very talented people have a comparative advantage in<br/>everything they do.” C: “If a certain trade is good for one person, it can’t be<br/>good for the other one.” D: “If trade is good for a country, it must be good for everyone in the country.”

Which of the following is true about the features of Chinese food?<br/>____ A: There are seven regional cuisines. B: According to the yin-yang principle,each food has its own<br/>characteristics of yin or yang. C: In fortifying one's health, a food tonic is as important as a medicine.

In the color circle, a primary color and the corresponding secondary<br/>color (such as red and green, yellow and purple, blue and orange) are<br/>called ( ). A: Intermediate colors B: Three primary colors C: Compound colors D: Complementary colors

Which<br/>of the following statements pertaining to innovation and<br/>entrepreneurship is true? ____ ____ A: They<br/>require strong legal systems. B: They<br/>require state ownership of means of production. C: They<br/>require a mixed economy. D: They<br/>are the engines of growth.

Paper helps us ____ A: Keep<br/>our treasured thoughts B: Record<br/>our fears C: Hold<br/>dear our loves and successes D: All<br/>the above