In the city of London, you can see fantastic modern architectures and antique buildings ____ eachother, ____ a sharp contrast between modern and ancient architectural styles[ ]

Take short walks to calm down, or, _________, simply take a day off.

The time is not far away ________ modern communications will become widespread in China’s vast countryside.

Studies show that MP3 people have made much use of_____ music may be causing hearing loss.[ ]

依次填入下列横线处的词语，恰当的一组是(　　)香溪河上的宝坪村，是王昭君的故乡，这个看着并不起眼的　　　，却孕育了一代绝色佳人。是清澈如玉的香溪河水的　　　，才使得昭君有了倾国倾城之貌和　　　之心。　　　没有香溪河水，中国历史上会不会少去昭君出塞这一页呢