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C++支持两种类型的多态性是编译时多态和运行时多态。()

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要通过摄影加强学生的美育教育，学校必须开设摄影必修或选修课。()
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选购二手胶片机时要注意取景窗是否干净，因为它会影响成像效果。()
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A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways. Which of the following, if true, could proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan？

An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.
B. One-half of all departing flights in the nation"s busiest airport head for a destination in a major city 225 miles away.
C. The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.
D. Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.
E. A large proportion of air travelers are vacationers who are taking long-distance flights.

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一位年迈游客随旅游团来到河南旅游，抵达郑州的当晚，老人向地陪小王提出希望探望当地一位失散多年的朋友。地陪小王下列做法中正确的是()

A. 告诉老人因年代已久地址难找无法解决
B. 请老人第二天不随团活动，自行寻找
C. 设法满足，第二天通过旅行社请公安户籍部门帮助寻找
D. 为满足老人心愿，第二天亲自去寻找，工作委托全陪代理

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C++支持两种类型的多态性是编译时多态和运行时多态。()

要通过摄影加强学生的美育教育，学校必须开设摄影必修或选修课。()参考答案：错误

选购二手胶片机时要注意取景窗是否干净，因为它会影响成像效果。()参考答案：错误

一位年迈游客随旅游团来到河南旅游，抵达郑州的当晚，老人向地陪小王提出希望探望当地一位失散多年的朋友。地陪小王下列做法中正确的是()

要通过摄影加强学生的美育教育，学校必须开设摄影必修或选修课。()
参考答案：错误

选购二手胶片机时要注意取景窗是否干净，因为它会影响成像效果。()
参考答案：错误