题目内容
循环经济实质上是一种生态经济，它要求把经济活动组织成一个“资源—产品—再生资源—再生产品”的反馈式流程。( )
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酒渍保存法是利用酒中的乙醇成分进行杀菌和抑制酶的活性，从而达到储存目的。( )
In 1959 the (41) American family paid $ 989 (42) a year’ s supply of food. In 1972 the family paid $1 311. That was a price (43) of nearly one-third. Every family has (44) this sort of experience. Everyone agrees that the cost of (45) a family has risen sharply. But there is less agreement (46) reasons for the rise are being discussed. Who is really (47) Many blame the farmers who (48) the vegetables, fruit, meat, eggs and cheese (49) stores offer for (50) . According to the U.S. Department of (51) , the farmer’s share of the $ 1 311 spent by the family in 1972 was $ 521. This was thirty-one percent (52) than the farmer had received in 1959. But farmers claim that this increase was very small (53) to the increase in their cost of (54) . Farmers tend to blame others for the sharp (55) in food prices. They particularly blame those who (56) the farm products after the products leave the farm. These (57) truck drives, meat packers, manufacturers of packages and other food containers, and the (58) of stores where food is sold. They are among the "middlemen" who stand (59) the farmer and the people who buy and eat the food. (60) middlemen the ones to blame for food price
如果某事务成功完成执行，则该事务称为 【15】 事务。
基础汤的主要作用是调味、增鲜。( )
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