2. 外语
  3. Terry is having lunch at a salad bar. There are two types of lettuce to choose from, as well as three types of tomatoes, and fou

Terry is having lunch at a salad bar. There are two types of lettuce to choose from, as well as three types of tomatoes, and fou

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问题 Terry is having lunch at a salad bar. There are two types of lettuce to choose from, as well as three types of tomatoes, and four types of olives. He must also choose whether or not to have one of the two types of soup on the side. If Terry has decided to
选项 A、9
B、11
C、24
D、48
E、54
答案D
解析 This is a relatively simple problem if you know the process--and you read carefully. All you have to do is multiply the number of options: 2 types of lettuce, 3 types of tomatoes, 4 types of olives, and 2 soup options. (You did remember the soup, didn’t you?) 2×3×4×2=48, so 48 is our answer.
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