A. Demand for food has been rising in the developing countries. B. A considerable portion of corn is used to produce green fuel. C. Climate change has caused corn yields to drop markedly. D. Inflation rates have been skyrocketing since the 1970s. ...
相关知识点: 试题来源: 解析 C 『解析』推理判断题。根据"Finally, Krugman forgets that concerns about global warming are the main reason that corn prices have skyrocketed since 2005."可知作者认为是气候变化导致粮食价格猛涨。故『答案』为C。反馈 收藏 ...
Their development of the notion of the 'corn-price' of labour was not arbitrary, but rather a reflection of their awareness of the fluctuating value of silver coinage, the reality that food costs were a large percentage of household budgets and the most immediate constraint to population growth...
Even the best sex dolls demand proper care. Use only water-based lubes and purchase a bottle of talc, cornstarch or baby powder for the protection of your toy’s surface when you don’t use it. Wash it with warm running water or invest in a particular sex toy cleaner. Are they expens...
Both kinds of cars have another advantage: They are cheaper to run and people don’t need to worry about oil prices. The airline companies face an even greater green challenge. Airplanes use much more oil than cars. So many airlines are now developing planes that can run on some other ...
Corn: As a key player in the global economy, corn is a popular food source for humans, as well as for livestock likefeeder cattle,lean hogs, andlive cattle. It’s a key component in ethanol fuel production. Coffee: A commodity with global popularity that’s farmed by a small monopoly ...
Like corn, soybean prices fluctuate with meat production and biodiesel demand. Likewise, weather disruptions to soy crops in the U.S., Brazil, and Argentina can lead to undersupply. There are several ways to invest in soy: Soybean futures: CME corn futures and options provide exposure to physi...
Commodities exchanges are the central location where commodities are traded. Thecommodity marketsin the U.S. began with the trading of agricultural products such as corn, cattle, wheat, and pigs in the 19th century.3 Chicago was the main hub for this kind of trading, due to its geographical...
Commodities exchanges are the central location where commodities are traded. Thecommodity marketsin the U.S. began with the trading of agricultural products such as corn, cattle, wheat, and pigs in the 19th century.3 Chicago was the main hub for this kind of trading, due to its geographical...
Commodities exchanges are the central location where commodities are traded. Thecommodity marketsin the U.S. began with the trading of agricultural products such as corn, cattle, wheat, and pigs in the 19th century.3 Chicago was the main hub for this kind of trading, due to its geographical...