【正文】
g from 意為 “ 由 ?? 造成 ” 。 “not unhappy” 雙重否定表示肯定。 答案 :C did the villagers agree to sell frogs? frogs were easy money. needed money to buy medicine. wanted to please the visitors. frogs made too much noise. 提示 :根據(jù)第三段中 “This seemed like money for nothing.” 可知 :這看起來(lái)像不需要付出什么就可以得到錢(qián)。 答案 :A might be the cause of the children’s sickness? crops didn’t do w ell. were too many insects. visitors brought in diseases. pesticides were overused. 提示 :由倒數(shù)第二段中 “T hey were damaging the crops and spreading diseases.”可知 :蟲(chóng)子損害莊稼并且傳播疾病。 答案 :B can we infer from the last sentence of the text? es from peaceful life in the country. is more important than money. harmony between man and nature is important. old days will never be fotten. 提示 :整篇文章通過(guò)村民賣(mài)青蛙導(dǎo)致失去生態(tài)平衡得到教訓(xùn) :人與自然之間的和諧是很重