题目内容
19．Selling hot dogs is big businessOne of the most well-liked foods in America is the hot dog．The selling of hot dogs has already become a popular business．（36）DAlmost half of all hot dogs were sold between Memorial Day and Labor Day．On July 4th alone，Americans bought 150 million hot dogs．
The sales of hot dogs have increased a lot．（37）ENew ingredients have widened the appeal of the hot dog to various groups．Many Americans can now choose meatless and low-fat varieties of hot dogs．Chicken，turkey，and beef hot dogs are also available for purchase．
The popularity of the hot dog is also a result of the many ways the food is prepared in different parts of the United States．（38）BHot dog lovers in Chicago often use yellow mustard （芥末），raw onions （洋葱） and tomato slices （薄片） with their hot dogs．In the south，however，people put coleslaw （a kind of salad） on their hot dogs．（39）G People from Kansas City enjoy their hot dogs with melted Swiss cheese．
No matter how people order，fix，or eat their hot dogs，this convenient meal remains an important part of the American diet．（40）FSupermarkets，restaurants，and food stands across the United States continue to buy a huge number of hot dogs from suppliers so they can provide customers with one of their favorite foods：the all-American hot dog．
A．The longest hot dog created in the world was 60 meters．
B．How Americans prepare their hot dogs depends on where they live．
C．It is safer to heat a hot dog before you eat it．
D．Last year，Americans ate more than 20 billion hot dogs．
E．This is，in part，due to some changes in the product．
F．They are always in such high demand．
G．People from New York like their hot dogs with a lot of onions．
分析 这篇短文通过讲述hot dog 是美国最受欢迎的食物之一，它的名字来自于德国的猪牛肉混合香肠，hot dog 还被应用于生活的其他方面，表达不同的含义．像代表快乐等．
解答 36．D．推理判断题．根据后文Almost half of all hot dogs were sold between Memorial Day and Labor Day．On July 4th alone，Americans bought 150 million hot dogs可知去年，美国人吃了200亿多只热狗；故选D．
37．E．推理判断题．根据后文New ingredients have widened the appeal of the hot dog to various groups可知这部分是由于产品的一些变化；故选E．
38．B．推理判断题．根据后文Hot dog lovers in Chicago often use yellow mustard （芥末），raw onions （洋葱） and tomato slices （薄片） with their hot dogs可知美国人如何准备热狗取决于他们住在哪里；故选B．
39．G．推理判断题．根据后文People from Kansas City enjoy their hot dogs with melted Swiss cheese可知来自纽约的人喜欢吃带很多洋葱的热狗；故选G．
40．F．推理判断题．根据后文Supermarkets，restaurants，and food stands across the United States continue to buy a huge number of hot dogs from suppliers so they can provide customers with one of their favorite foods可知他们的需求总是这么高；故选F．
点评 七选五阅读是完成性阅读，和完形填空很类似，不同的是一个选词，一个选句子．解题时，要注意上下文语境，充分考虑信息词（选项中和空格前后句子中相同或相近的词），选出最符合语境的句子．
