According to the professor, what were, the beliefs of the Greek philosophers based upon
A. How the natural world was described in Greek mythology.
B. What they observed directly.
C. The writings of philosophers from other societies.
D. Measurements made with scientific instruments,
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What does the professor say the term stadium refers to
A place for making astronomical observations.
B. An instrument used for observing stars.
C. A unit of measurement.
D. The North Star.
（）以静态或动态的连接方式为应用程序提供一组可使用的类，（）除了提供可被应用程序调用的类以外，还基本实现了一个可执行的架构。 （）以静态或动态的连接方式为应用程序提供一组可使用的类
A. 函数库
B. 类库
C. 框架
D. 类属
What does the professor say about ancient Greeks who traveled south
A. They noticed an apparent change in the position of the North Star.
B. They observed eclipses at different times Of the year.
C. They were the first to estimate the distance between heavenly bodies.
D. They wanted to prove that the Earth was flat.
Questions 24 and 25 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now listen to the news. The conference addresses the following issues EXCEPT ______.
A. poverty
B. gender inequality
C. environmental protection
D. world peace
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