题目

5、用NA表示阿佛加德罗常数，下列说法不正确的是    A．标准状态下的辛烷22.4L完全燃烧产生CO2分子数为8NA       B．18g水中所含电子个数为10 NA        C．46gNO2和46gN2O4中所含原子数均为3 NA       D．1L2mol·L－1的Mg（NO3)­2溶液中含NO3－个数为4 NA  答案：A解析: This March is a busy month in Shanghai. There’s a lot to do. Here are the highlights（最精彩的部分）.Live Music - Late Night JazzEnjoy real American jazz from Herbie Davis, the famous trumpet player. He’s coming with his new 7-piece band, Herbie’s Heroes. Herbie is known to play well into the early hours, so don’t expect to get much sleep. This is Herbie’s third visit to Shanghai. The first two were sold out, so get your tickets quickly.PLACE: The Jazz Club  DATES: 15-23 March  PRICE: ￥80,120  TIME: 10:00p.m. till late!  TEL: 6466-8736Scottish dancing  Take your partners and get ready to dance till you drop. Scottish dancing is fun and easy to learn. Instructors will demonstrate（展示）the dances. The live band, Gordon Stroppie and the Weefrees, are also excellent.PLACE: Jack Stein’s  DATES: every Monday  PRICE: ￥60 including one drink  TIME: 7:00 - 0:00 p.m.  TEL: 6402-1877Exhibitions - Shanghai Museum  There are 120,000 pieces on show here. You can see the whole of Chinese history under one roof. It’s always interesting to visit, but doubly so at the moment with the Egyptian Tombs exhibition. There are lots of mummies and more gold than you’ve ever seen before. Let us know if you see a mummy move!PLACE: Shanghai Museum  PRICE: ￥30（￥15 for students）  TEL: 6888-6888    DATES: daily   TIME: Monday-Friday 9:00a.m. - 5:00p.m.   Weekends 9:00a.m. - 9:00p.m.Dining Sushi（寿司）chef in town  Sushi is getting really big in Shanghai. In Japan, it’s become an art form. The most famous Sushi “artist” is Yuki Kamura. She’s also one of the few female chefs in Japan. She’ll be at Sushi Scene all of this month.PLACE: Sushi Scene in the Shanghai Hotel  DATES: all months  PRICE: ￥200  TIME: lunchtime  TEL: 6690-3211For a full listing of events, see our website.  64．Suppose you are going to attend an activity at 8: 00p．m．on Saturday, which one can you choose?  A．Live Music - Late Night Jazz                 B．Scottish dancing  C．Exhibitions - Shanghai Museum             D．Dining - Sushi chef in town  65．Which of the following is true according to the advertisements?  A．Scottish dancing is so interesting and easy that it never tires you out.  B．The performance given by the American jazz band won’t last long.  C．Sushi is not popular in Shanghai as it is a kind of Japanese traditional food.  D．It is more interesting to visit Shanghai Museum for the exhibits from Egypt.  66．From the text we may learn that Kamura is _____.  A．a cook            B．a waitress               C．an instructor           D．an artist