四六级考试

【单选题】 The author implies that there is cause for concern if consumers with limited incomes buy organic foods instead of conventionally grown foods because ______.
A．organic foods can be more expensive but are often no better than conventionally grown foods
B．many organic foods are actually less nutritious than similar conventionally grown foods
C．conventionally grown foods are more readily available than organic foods
D．too many farmers will stop using conventional methods to grow food crops

网考网参考答案：A
网考网解析：
文意推断题。 首先在文中找出相关的细节(文中最后一句)，由“so”信号词不难推出这是一个结论句。原因已在上面陈述过，即“cost more”，“misled if...maintain health and...”恰是其中的两个原因。故A正确：有机肥食物通常造价更昂贵，而且也不比传统培育的食物营养价值高到哪去、 查看试题解析出处>>