【題目】研學(xué)旅行在近幾年的發(fā)展越來越熱,研學(xué)和旅行的結(jié)合可以推動(dòng)課外學(xué)習(xí)資源的開發(fā),提升學(xué)習(xí)的效果。根據(jù)一些同學(xué)的研學(xué)筆記,回答下列問題。

甲:站在三峽水電站大壩上,我不禁想起一句詩(shī)“截?cái)辔咨皆朴,高峽出平湖”。三峽水電站見證著長(zhǎng)江流域豐富的水能資源,長(zhǎng)江水能資源主要蘊(yùn)藏在源頭至宜昌河段。同時(shí)長(zhǎng)江也是中國(guó)東西向交通的大動(dòng)脈,航運(yùn)價(jià)值高。

乙:雞鳴三省大橋建于川滇黔三省交界處,三省雖近在咫尺,卻阻隔于天塹。大橋建成后,兩岸的交通時(shí)間將從現(xiàn)在開車?yán)@行兩個(gè)半小時(shí),或爬山渡河一個(gè)半小時(shí),縮短到開車一分鐘,或步行幾分鐘。對(duì)于生活在三省交界處的人們來說真是方便了。

(1)長(zhǎng)江注入______海,深切_______山,形成三峽。長(zhǎng)江流域水能資源豐富,有“____________”之稱,長(zhǎng)江水能資源主要位于_____游河段(上、中、下)。長(zhǎng)江干支流通航里程長(zhǎng),享有“__________”的盛譽(yù)。

(2)“川滇黔”對(duì)應(yīng)的省級(jí)行政區(qū)域單位分別是四川省、_______省和______省(填省級(jí)行政區(qū)域單位名稱)。雞鳴三省大橋建設(shè)難度______(大或。,該區(qū)域有中央紅軍召開的“雞鳴三省會(huì)議”原址,優(yōu)美的峽谷風(fēng)光,據(jù)此可以發(fā)展_________業(yè)。山區(qū)生態(tài)環(huán)境相對(duì)脆弱,舉一例山區(qū)常見的自然災(zāi)害________。

【答案】 巫山 水能寶庫(kù) 黃金水道 云南 貴州 旅游 山洪、崩塌、滑坡、泥石流任一答案

【解析】

長(zhǎng)江是我國(guó)流程最長(zhǎng)、流量最大、流域面積最廣的河流,發(fā)源于青藏高原的唐古拉山,自西向東經(jīng)青藏高原、四川盆地和長(zhǎng)江中下游平原后,注入東海;云貴高原是我國(guó)四大高原之一,地形崎嶇、多喀斯特地貌。

(1)長(zhǎng)江發(fā)源于青藏高原,自西向東注入東海,長(zhǎng)江上游深切巫山,落差大,水能資源豐富,有“水能寶庫(kù)”稱號(hào);水能主要集中在上游河段,干支流眾多,航運(yùn)價(jià)值高,有“黃金水道”稱號(hào)。

(2)“川滇黔”中的三個(gè)省區(qū)簡(jiǎn)稱分別是四川省、云南省和貴州省,雞鳴三省大橋位于川滇黔交界處,地處云貴高原,地形崎嶇,修建難度大,該地區(qū)有優(yōu)美的風(fēng)光,可以發(fā)展旅游業(yè),但同時(shí)該地區(qū)生態(tài)環(huán)境脆弱,自然災(zāi)害頻繁,如山洪、崩塌、滑坡等。

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