秋霞电影网午夜鲁丝片无码,真人h视频免费观看视频,囯产av无码片毛片一级,免费夜色私人影院在线观看,亚洲美女综合香蕉片,亚洲aⅴ天堂av在线电影猫咪,日韩三级片网址入口

2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字

上傳人:冷*** 文檔編號:19396902 上傳時(shí)間:2021-01-09 格式:DOCX 頁數(shù):3 大小:12.40KB
收藏 版權(quán)申訴 舉報(bào) 下載
2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字_第1頁
第1頁 / 共3頁
2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字_第2頁
第2頁 / 共3頁
2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字_第3頁
第3頁 / 共3頁

最后一頁預(yù)覽完了!喜歡就下載吧,查找使用更方便

10 積分

下載資源

資源描述:

《2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字》由會員分享,可在線閱讀,更多相關(guān)《2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字(3頁珍藏版)》請?jiān)谘b配圖網(wǎng)上搜索。

1、2013年大學(xué)英語六級考試閱讀訓(xùn)練題(1)3500字      Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazily with the currents,

2、providing a basic food for many larger animals. Plankton has been described as the equivalent of the grasses that grow on the dry land continents, and the comparison is an appropriate one. In potential food value however, plankton far outweighs that of the land grasses. One scientist has estimated t

3、hat while grasses of the world produce about 49 billion tons of valuable carbohydrates each year. The sea’s plankton generates more than twice as much. 總結(jié)大全 /html/zongjie/   Despite its enormous food potential, little effort was made until recently to farm plankton as we farm grasses on land. N

4、ow marine scientists have at last begun to study this possibility, especially as the sea’s resources loom even more important as a means of feeding an expanding world population. 畢業(yè)   No one yet has seriously suggested that “planktonburgers” may soon become popular around the world. As a possible

5、 farmed supplementary food source, however, plankton is gaining considerable interest among marine scientists. 作文 /zuowen/   One type of plankton that seems to have great harvest possibilities is a tiny shrimplike creature called krill. Growing to two or three inches long, krill provide the major

6、 food for the giant blue whale, the largest animal ever to inhabit the Earth. Realizing that this whale may grow 100 feet and weigh 150 tons at maturity, it is not surprising that each one devours more than one ton of krill daily. 論文代寫   Krill swim about just below the surface in huge schools

7、 sometimes miles wide, mainly in the cold Antarctic. Because of their pink color, they often appear as a solid reddish mass when viewed from a ship or from the air. Krill are very high in food value. A pound of these crustaceans contains about 460 calories—about the same as shrimp or lobster, to whi

8、ch they are related. 開題報(bào)告 /html/lunwenzhidao/kaitibaogao/   If the krill can feed such huge creatures as whales, many scientists reason, they must certainly be contenders as new food source for humans. 作文 /zuowen/   1.Which of the following best portrays the organization of the passage? 總結(jié)大全 /

9、html/zongjie/   A.The author presents the advantages and disadvantages of plankton as a food source.   B.The author quotes public opinion to support the argument for farming plankton.   C.The author classifies the different food sources according to amount of carbohydrate. 總結(jié)大全 /html/zongji

10、e/   D.The author makes a general statement about plankton as a food source and then moves to a specific example.   2.According to the passage, why is plankton regarded to be more valuable than land grasses? 開題報(bào)告 /html/lunwenzhidao/kaitibaogao/   A.It is easier to cultivate. 論文代寫   B

11、.It produces more carbohydrates. 總結(jié)大全 /html/zongjie/   C.It does not require soil. 作文 /zuowen/   D.It is more palatable. 作文 /zuowen/   3.Why does the author mention “planktonburgers”? 畢業(yè)論文   A.To describe the appearance of one type of plankton. 總結(jié)大全 /html/zongjie/   B.To illustrat

12、e how much plankton a whale consumes. 畢業(yè)   C.To suggest plankton as a possible food sources. 畢業(yè)   D.To compare the food values of beef and plankton. 作文 /zuowen/   4.What is mentioned as one conspicuous feature of krill? 作文 /zuowen/   A.They are the smallest marine animals. 簡歷大全 /

13、html/jianli/   B.They are pink in color. 論文代寫   C.They are similar in size to lobsters. 畢業(yè)論文   D.They have grass like bodies. 論文代寫   5.The author mentions all of the following as reasons why plankton could be considered a human food source except that it is ___. 作文 /zuowen/   A.high in food value. 思想?yún)R報(bào) /sixianghuibao/   B.in abundant supply in the oceans. 論文代寫   C.an appropriate food for other animals.   D.free of chemicals and pollutants. 論文代寫   答案:DBCBD 簡歷大全 /html/jianli/

展開閱讀全文
溫馨提示:
1: 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
2: 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
3.本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
5. 裝配圖網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

最新文檔

相關(guān)資源

更多
正為您匹配相似的精品文檔
關(guān)于我們 - 網(wǎng)站聲明 - 網(wǎng)站地圖 - 資源地圖 - 友情鏈接 - 網(wǎng)站客服 - 聯(lián)系我們

copyright@ 2023-2025  zhuangpeitu.com 裝配圖網(wǎng)版權(quán)所有   聯(lián)系電話:18123376007

備案號:ICP2024067431-1 川公網(wǎng)安備51140202000466號


本站為文檔C2C交易模式,即用戶上傳的文檔直接被用戶下載,本站只是中間服務(wù)平臺,本站所有文檔下載所得的收益歸上傳人(含作者)所有。裝配圖網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對上載內(nèi)容本身不做任何修改或編輯。若文檔所含內(nèi)容侵犯了您的版權(quán)或隱私,請立即通知裝配圖網(wǎng),我們立即給予刪除!