21.Instead，they tend to be endlessly recycled in the food chains
1）tend to do/be：be likely to do/ be 趨向……。往往……
eg：Prices are tending upward.物價趨于上漲。
In primary and secondary schools girls tend to work harder than boys.在小學(xué)和中學(xué)時，女孩比男孩用功。
2）be recycled ：使再循環(huán)；回收利用；重心利用
The recycled water is used to water plants.
再循環(huán)的水被用來澆灌植物。
3）food chain：食物鏈
4）be dependent on：依賴于
It is not good for students to be too dependent on their teachers
學(xué)生過于依賴于他們的老師不太好。
22.One might guess that this time Carson the reader might have reminded Carson the scientist of some passage in Shakespeare's most famous play.
remind sb of sth：make sb.think of sth.使人想起，提醒。
eg：Please remind me of getting up at 5 tomorrow morning.
請?zhí)嵝盐颐魈煸缟?點(diǎn)起床。
The picture reminded me of my childhood in the village.
那張照片使我想起我在那個村莊度過的童年。
23.Prince Hamlet used revoltingly grisly images in the vicious baiting of his hatred uncle when he told him that in nature's food chain，the worm is king.
哈姆雷特王子使用了令人作嘔的形象比喻來設(shè)下恨毒的圈套，引他那個可憎的叔父上鉤。他對他叔父說，在大自然的食物鏈中，以蛆為王。
24.Rachel Carson know of this poisonous cycle.
know of：知道……的存在；聽說 be aware of the existence of，hear about
eg：Do you know of any filling station around here？ 你知道這一帶有加油站嗎？
I don't know the writer，but I know of him.我不認(rèn)識這個作家，但我聽說過他。
25 And she knew now，as her own observations were confirmed by fellow scientists all over the country，that this “worm” now carried a heavy concentration
1）as 引出的是原因狀語從句
confirm：確認(rèn)，進(jìn)一步證實(shí)
This view is confirmed by the fact that…這種觀點(diǎn)以被…事實(shí)所證實(shí)。
approve：同意、批準(zhǔn)、贊成
The plan was approved by the Ministry of Communication.
這個計(jì)劃得到了信息部的批準(zhǔn)。
2）concentration （concentrate）：集中、專心 指把人或物集中在一起，把精神，注意力集中在某一事物
Chess requires great concentration.下棋需要全神貫注。
focus：焦點(diǎn)、中心
The government put the revival of economy as the focus of its work.
政府把振興經(jīng)濟(jì)作為它的工作重點(diǎn)。
26.It could be passed on to fish，to other animals，to their food supply and to men and women and children throughout the earth.
pass on （from…） to…：（及物） 把……（從……）傳給；（不及物）（從……）轉(zhuǎn)移到……
We hope Sino-Japanese friendship will pass on from generation to generation.
我們希望中日友誼將世世代代繼承下去。
The money passed on from one to another until it reached the conductor's hands.
錢由一個人傳遞給另一個人，一直遞到售票員的手里。
27.In spite of fierce opposition from the chemical industry，from powerful government agencies，and from organizations，shepersisted in her research and writing
persist in sth./doing sth.：不顧困難、他人反對 堅(jiān)持做……有時指執(zhí)拗地不聽好言相勸，達(dá)到了使別人討厭地固執(zhí)已見的地步。
eg：He persisted in his folly despite his friend's advice.
他不顧朋友的勸告，硬是繼續(xù)干他的蠢事。
So long as you persist in jogging，you will shed some weight.
只要你堅(jiān)持慢跑，你一定會減輕體重的。
insist on：to keep doing sth…
堅(jiān)持要求、一定要，堅(jiān)持某一“觀點(diǎn)、立場、主張、意見、要求”或“堅(jiān)決認(rèn)為，堅(jiān)決主張”
He insisted on the accuracy of his account
他堅(jiān)持認(rèn)為他的陳述使正確的。
We insist that the DPRK's nuclear issue be resolved peacefully.
我們堅(jiān)持主張北朝鮮的核問題應(yīng)該和平解決
28.The book was exploded into he public consciousness.
explode into：develop 突然變成，發(fā)展成，演變成
The border incident exploded into a war between the two countries.那個邊界事件突然演變成兩國間的戰(zhàn)爭。
29.The little girl…h(huán)ad fired a major salvo in the battle for the environment
salvo：（n） the firing of several guns during a battle or as part of a ceremony
1）tend to do/be：be likely to do/ be 趨向……。往往……
eg：Prices are tending upward.物價趨于上漲。
In primary and secondary schools girls tend to work harder than boys.在小學(xué)和中學(xué)時，女孩比男孩用功。
2）be recycled ：使再循環(huán)；回收利用；重心利用
The recycled water is used to water plants.
再循環(huán)的水被用來澆灌植物。
3）food chain：食物鏈
4）be dependent on：依賴于
It is not good for students to be too dependent on their teachers
學(xué)生過于依賴于他們的老師不太好。
22.One might guess that this time Carson the reader might have reminded Carson the scientist of some passage in Shakespeare's most famous play.
remind sb of sth：make sb.think of sth.使人想起，提醒。
eg：Please remind me of getting up at 5 tomorrow morning.
請?zhí)嵝盐颐魈煸缟?點(diǎn)起床。
The picture reminded me of my childhood in the village.
那張照片使我想起我在那個村莊度過的童年。
23.Prince Hamlet used revoltingly grisly images in the vicious baiting of his hatred uncle when he told him that in nature's food chain，the worm is king.
哈姆雷特王子使用了令人作嘔的形象比喻來設(shè)下恨毒的圈套，引他那個可憎的叔父上鉤。他對他叔父說，在大自然的食物鏈中，以蛆為王。
24.Rachel Carson know of this poisonous cycle.
know of：知道……的存在；聽說 be aware of the existence of，hear about
eg：Do you know of any filling station around here？ 你知道這一帶有加油站嗎？
I don't know the writer，but I know of him.我不認(rèn)識這個作家，但我聽說過他。
25 And she knew now，as her own observations were confirmed by fellow scientists all over the country，that this “worm” now carried a heavy concentration
1）as 引出的是原因狀語從句
confirm：確認(rèn)，進(jìn)一步證實(shí)
This view is confirmed by the fact that…這種觀點(diǎn)以被…事實(shí)所證實(shí)。
approve：同意、批準(zhǔn)、贊成
The plan was approved by the Ministry of Communication.
這個計(jì)劃得到了信息部的批準(zhǔn)。
2）concentration （concentrate）：集中、專心 指把人或物集中在一起，把精神，注意力集中在某一事物
Chess requires great concentration.下棋需要全神貫注。
focus：焦點(diǎn)、中心
The government put the revival of economy as the focus of its work.
政府把振興經(jīng)濟(jì)作為它的工作重點(diǎn)。
26.It could be passed on to fish，to other animals，to their food supply and to men and women and children throughout the earth.
pass on （from…） to…：（及物） 把……（從……）傳給；（不及物）（從……）轉(zhuǎn)移到……
We hope Sino-Japanese friendship will pass on from generation to generation.
我們希望中日友誼將世世代代繼承下去。
The money passed on from one to another until it reached the conductor's hands.
錢由一個人傳遞給另一個人，一直遞到售票員的手里。
27.In spite of fierce opposition from the chemical industry，from powerful government agencies，and from organizations，shepersisted in her research and writing
persist in sth./doing sth.：不顧困難、他人反對 堅(jiān)持做……有時指執(zhí)拗地不聽好言相勸，達(dá)到了使別人討厭地固執(zhí)已見的地步。
eg：He persisted in his folly despite his friend's advice.
他不顧朋友的勸告，硬是繼續(xù)干他的蠢事。
So long as you persist in jogging，you will shed some weight.
只要你堅(jiān)持慢跑，你一定會減輕體重的。
insist on：to keep doing sth…
堅(jiān)持要求、一定要，堅(jiān)持某一“觀點(diǎn)、立場、主張、意見、要求”或“堅(jiān)決認(rèn)為，堅(jiān)決主張”
He insisted on the accuracy of his account
他堅(jiān)持認(rèn)為他的陳述使正確的。
We insist that the DPRK's nuclear issue be resolved peacefully.
我們堅(jiān)持主張北朝鮮的核問題應(yīng)該和平解決
28.The book was exploded into he public consciousness.
explode into：develop 突然變成，發(fā)展成，演變成
The border incident exploded into a war between the two countries.那個邊界事件突然演變成兩國間的戰(zhàn)爭。
29.The little girl…h(huán)ad fired a major salvo in the battle for the environment
salvo：（n） the firing of several guns during a battle or as part of a ceremony