【題目】西氣東輸主干道路線圖,回答下列問題。

1西氣東輸主干道自西向東經(jīng)過的自然帶分別為( )

亞熱帶常綠闊葉林帶 溫帶落葉闊葉林帶

溫帶草原帶 溫帶荒漠帶

A.①②③④ B.②①③④

C.③④①② D.④③②①

2西氣東輸工程對東部地區(qū)生態(tài)環(huán)境的有利影響是( )

A.促進(jìn)東部地區(qū)改變能源結(jié)構(gòu)

B.促進(jìn)東部地區(qū)輕重工業(yè)的結(jié)構(gòu)調(diào)整

C.有效改善大氣環(huán)境

D.有利于帶動?xùn)|部地區(qū)城鎮(zhèn)基礎(chǔ)設(shè)施建設(shè)

3西氣東輸工程主要是為了解決( )

A.東、西部自然資源分布與生產(chǎn)力分布不協(xié)調(diào)問題

B.東部地區(qū)的大氣環(huán)境污染問題

C.沿線地區(qū)的再就業(yè)問題

D.西部地區(qū)的生態(tài)環(huán)境脆弱問題

【答案】

【1】D

【2】C

【3】A

【解析】

試題分析:

【1西氣東輸主干道西端位于塔里木盆地,屬于溫帶荒漠帶,那么向東依次為:溫帶草原帶、溫?zé)釒淙~闊葉林帶、亞熱帶常綠闊葉林帶。故選D。

【2】題意表明西氣東輸工程對生態(tài)環(huán)境的影響,所以它改善了我國東部地區(qū)的能源消費結(jié)構(gòu),使天然氣所占比重上升,煤炭所占的比重下降,所以向大氣中排放的污染氣體減少,能有效改善大氣環(huán)境。故選C。

【3】西氣東輸工程,屬于跨區(qū)域調(diào)配能源主要是為解決自然資源分配不均,社會生產(chǎn)力和消費分布均的問題,西部地區(qū)天然氣等能源資源豐富,市場消費量少,東部地區(qū)能源分布較少,但市場消費量大,所以實施跨區(qū)域的能源調(diào)配的根本主要是解決能源生產(chǎn)與消費不協(xié)調(diào)的問題。故答案選A。

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