Unit 4 Global warming reading课时作业

Ⅰ.阅读理解(共15小题；每小题2分，满分30分)

　　A

　　Canyoning (蹦谷运动)

　　The sports of canyoning explore the high­energy environment where water meets rock on the coast，or in river canyons.Protected by wetsuits and helmets (头盔)，people jump from cliffs (悬崖) and waterfalls and explore caves and river canyons that would not normally be arrived at.

　　Scuba diving

　　Diving is not popular with British people.The challenges of wild waters are greater because the water is colder and not clear enough，but the coasts of Cornwall，Wales and Scotland have some of the best wreck diving in the world.

　　Surfing

　　The best surfing places in the UK are on the southwest coast where it is warmer and the surf is relatively steady，particularly in Cornwall.The best time of year to surf in the UK is late summer and autumn when water temperatures are at their mildest.

　　The British Surfing Association (01479 861256，www.britsurf.co.uk) has a list of famous surf schools around the country.

　　Rock climbing

The most popular natural rocks in Britain include the Peak District，the Lake District，coastal regions，while vast areas of Scotland are a climber's paradise (天堂)．Climbing courses and climbing walls can be located on the website of the British Mountaineering Council (0870 010 4878，www.thebmc.co.uk) which offers a series of short films that take the new climber through a step­by­step guide to visiting a