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