2014年公共英語5預測試題

A.They are applied to aquatic weeds by fish farming.

B.Amphibians release them from their skin.

C.Irresponsible dispose of them in ponds.

D.They are washed into ponds by the rain.

20、 According to the speaker, why do pesticides pose a threat to amphibians?

A.Pesticides can cause an amphibian's skin to dry out.

B.Pesticides kill the insects that amphibians depend on for food.

C.Dissolved pesticides can easily enter amphibian's bodies.

D.Amphibians may eat plants that have been treated with pesticides. 精品小說推薦： 昔日落魄少年被逐出家族，福禍相依得神秘老者相助，從此人生路上一片青雲！ 我行我瀟灑，彰顯我性格！ 彆罵小爺拽，媳婦多了用車載！ 妹紙一聲好歐巴，轉手就是摸摸大！ “不要嘛！” 完整內容請點擊辣手仙醫

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