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### C++ if 条件分支 课后习题 - **答案**
#### **一、 填空题**
1. 顺序结构
2. 分支结构
3. 条件 (或 条件表达式)
4. `true` (真),`false` (假)
5. 有且仅有
6. `==`,`=`
#### **二、 单项选择题**
1. C 2. A 3. B 4. D 5. A 6. B 7. B 8. C 9. A 10. C
#### **三、 判断题**
1. √
2. √
3. √
4. × (两者是互斥的,只能执行一个)
5. × (判断相等必须用 `==`)
6. √
7. √
8. × (这个是单向判断,用 `if` 就足够了)
9. √
10. √