题目

计算 （1） ÷ （2） ÷ （3） ÷ （4） ÷15． 答案：解： {#mathml#}2039{#/mathml#} ÷ {#mathml#}1013{#/mathml#}= {#mathml#}2039{#/mathml#} × {#mathml#}1013{#/mathml#} = {#mathml#}23{#/mathml#} 解： {#mathml#}2435{#/mathml#} ÷ {#mathml#}67{#/mathml#}= {#mathml#}2435{#/mathml#} × {#mathml#}76{#/mathml#} = {#mathml#}45{#/mathml#} 解： {#mathml#}712{#/mathml#} ÷ {#mathml#}213{#/mathml#}= {#mathml#}712{#/mathml#} × {#mathml#}132{#/mathml# (09·安徽D篇) Timetable D. less heat may be collected in winter than in summer 67. What is most likely to be discussed in the paragraph that follows? A. What we shall do if the system goes wrong. B. What we shall do if there are no asphalt roads. C. How the system cools the building in summer. D. How the system collects heat in spring and autumn. 68. Which of the following is true of the membership card? A. Its number is l0865 305305. B. It belongs to Mr. E. M. Driscoll. C. It is valid through the year of 2010. D. It gets the owner a discount when used. 69. If one wants to attend a business lunch in London at l2：00,the latest train that he should take at Oxford leaves at         . A. 11：45            B. 11：15           C. 10：35           D. 10：05 70. If you would like to have some vegetable beef, what may be your choice? A. French Slam®                        B. Chicken-Fried Steak® C. The Super Bird®                        D. Sandwich with Salad or Soup® 71. The chart shows that from 2005 to 2008，         . A. the percentage of the Spanish families with a computer rose 35 points B. the percentage of the White families with a computer remained unchanged C. the number of the Black families with a computer was on the decrease D. the number of the Asian families with a computer showed the sharpest increase