問題詳情

請依下文回答第 39 題至第 43 題：    In recent years, the sudden disappearance of bees has concerned scientists. When many bees are absent from the earth,this will have a great impact on people’s life because many kinds of food such as fruits, vegetables, meats, milk, andeggs will be gone with bees. As a result, many scientists have already found out the reasons why many bees arevanishing from the earth. Some of these causes include climate change and serious food shortages for bees. But a majorrisk is the use of pesticides that can make bees become puzzled, bring less pollen home, and even unable to find theirway home. In some of the worst cases, pesticides can harm bees’ immune systems and make them endangered by thethreats of parasites. In order to save the bees and protect our environment, some people have already gone organic bynot using pesticides when planting flowers, vegetables, and fruits. And to our great delight, scientists have alsodiscovered the way to kill those parasites that are deadly to bees. Despite these great efforts made to save the bees, it isstill the increasing awareness of environmental protection that can eventually protect our bees from disappearing.
39 What is the main idea of this passage?
(A)the disappearance of food supply
(B)the importance of environmental protection
(C)the misuse of pesticides
(D)the threats of parasites

參考答案

答案：B
難度：適中0.636364
統計：A(24),B(154),C(43),D(18),E(0)

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