题干

下列说法正确的是(   )

A:任何酸与碱发生中和反应生成1molH2O的过程中,能量变化均相同

B:中和热的实验过程中,环形玻璃搅拌棒材料若用铜代替,则测量出的中和热数值偏小

C:若①2H2(g)+O2(g)═2H2O(g)△H=﹣akJ•mol﹣1,②2H2(g)+O2(g)═2H2O(l)△H=﹣bkJ•mol﹣1,则 a>b

D:能自发进行的反应一定是放热反应,不能自发进行的反应一定是吸热反应

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B

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      Eight days for just ¥12,000      

      Departure time:May,October 2012

      Includes:

     ●  Return flights from 6 China’s airports to Naples

     ●  Return airport to hotel transport

     ●  Seven nights’ accommodation at the 3­star Hotel Nice

     ●  Breakfast

     ● The service of guides

     ● Government taxes

     Join us for a wonderful holiday in one of the Europe’s most wonderful corners—Naples in Italy if you want to have a nice time in a beautiful small quiet place.The ancient Romans called the city “happy land” with attractive coastline,colorful towns,splendid views and the warm Mediterranean Sea.Your best choice for a truly memorable holiday!

     Choose between the peaceful traditional villages of Sant’ Agata,setting on a hillside six miles away from Sorrento,or the more lively and well­known international resort town of Sorrento,with wonderful views over the Bay of Naples.

    Breathtaking  scenery,famous  sights  and  European restaurants everywhere.From the mysterious Isle of Capri to the hunting ruins of     Pompeii,and from the unforgettable “Amalfi Drive” to the delightful resorts (度假胜地) of Positano,Sorrento and Ravello,the area is a feast for the eyes!Join us,and you won’t be disappointed!

    Price based on two tourists sharing a double room at the Hotel Nice.A single room,another ¥2,000.A group of ten college students,¥10,000 for each.

    Like to know more?Telephone Newmarket Air Holidays Ltd.on:0845 ­226 ­7788(All calls charge at local rates).