42 According to the passage, what can people do to reduce the use of pesticides?
(A)By growing less food
(B)By killing more parasites
(C)By going organic
(D)By making a new kind of chemicals

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衝擊 on people’s life because many kinds of food such as fruits, vegetables, meats, milk, and eggs will be gone with bees. 

As a result, many scientists have already found out the reasons why many bees are vanishing from the earth. 

Some of these causes include climate change and serious嚴重 food shortages for bees. 

But a major risk is the use of pesticides that can make bees become puzzled, bring less pollen花粉 home, and even unable to find their way home. 

In some of the worst cases, pesticides can harm bees’ immune systems and make them endangered by the threats of parasites寄生蟲.

In order to save the bees and protect our environment, some people have already gone organic by not using pesticides when planting flowers, vegetables, and fruits. 

And to our great delight欣喜, scientists have also discovered the way to kill those parasites that are deadly to bees.

Despite儘管 these great efforts made to save the bees, it is still the increasing awareness of environmental protection that can eventually protect our bees from disappearing.