题目内容

【题目】读下图“流经黄土高原的黄河景观图”，回答下列问题。

【1】图中大量泥沙汇入黄河，其主要自然原因有

①黄土疏松 ②河流落差小

③植被覆盖好 ④夏季多暴雨

A．①② B．①④

C．②③ D．③④

【2】黄土高原面临的主要环境问题是

A．气候变暖 B．旱涝灾害

C．水土流失 D．土地荒漠化

【3】黄土高原综合治理和保护环境的正确措施是

①植树种草 ②打坝淤地 ③开垦荒地 ④发展水田

A．①② B．①③ C．②④ D．③④

【答案】

【1】B

【2】C

【3】A

【解析】

试题分析：

【1】读图可知，图中大量泥沙汇入黄河，是由于黄土高原水土流失造成的。导致水土流失严重的主要自然原因是黄土高原土质疏松，植被稀少，夏季暴雨多等。故选B。

【2】黄土高原地处我国东部季风区向西北内陆干旱区过渡带、森林向草原的过渡带等多重过渡地区，生态环境脆弱，黄土疏松，地表植被覆盖率低，降水变率大且集中，加之人类不合理经济活动，导致严重水土流失，故选C。

【3】黄土高原综合治理主要在于防治水土流失。可以采取植树种草方式，提高植被覆盖率，打坝淤地等工程措施，①②对。而开垦荒地，会加剧水土流失，发展水田不符合区域经济发展的因地制宜原则，③④错。故选A。

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UnderWater World SEA LIFE Mooloolaba

HIGHLIGHTS

Includes bonus discount coupons

Book online & skip the queue

16 themed zones

14 talks and animal feeds

Great fun for the whole family

One of the most popular attractions on the Sunshine Coast for many years, UnderWater World SEA LIFE Mooloolaba is Queensland’s largest aquarium and oceanarium with one of the hugest and most diverse arrays of marine life - both above and under the water - in Australia!

With a brand-new, newly renovated shark exhibit to go along with the eleven other amazing zones that each highlight a different aspect of the aquatic kingdom.

PURCHASE

Adult

AUD $38.00

AUD $34.20

Child (3-14yrs)

AUD $23.00

AUD $20.70

Family (2A+2C)

AUD $104.00

Opening Times

Open daily from 9am to 5pm, Anzac Day from 1.30pm to 5.30pm and closed Christmas Day. Last admissions are 1 hour prior to closing time.

How to get to UnderWater World SEA LIFE Mooloolaba

Walk

Just a 2-minute walk from the beach on the southern end of Mooloolaba Esplanade.

Car

If you are coming from Brisbane simply follow the Bruce Highway north and take the Moooloolaba exit after the Ettamogah Pub, then simply follow the signs to Mooloolaba.

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Bus

Sunbus operates a regular bus service from Noosa to Caloundra. Contact Sunbus on 13 12 30 for more information.

Additional Information

Free parking is available at UnderWater World SEA LIFE Mooloolaba.

UnderWater World SEA LIFE Mooloolaba is completely undercover so even if it is raining you can still have a fantastic time!

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