单选题 Questions 22 to 25 are based on the following dialogue.

单选题 What is the purpose of the reporter to have the interview?

A、 To gather information for the astronomy class.
B、 To do some research work on space technology.
C、 To report finds from an astronomy conference.
D、 To learn about the latest development in astronomy.

【正确答案】 C

【答案解析】[解析] 这道题的难点是选C还是D，因为A中的for the astronomy class和B中的to do some research work与原文信息不符。当我们将范围缩小到C及D之后，首先找到它们之间的差异，再根据细节加以权衡。通过再次体会原文，可以发现，D中的learn about the latest development是错误信息。

单选题 When was the astronomy society meeting held?

A、 A month ago.
B、 Last year.
C、 Two weeks ago.
D、 Two months ago.

【正确答案】 A

【答案解析】[解析] 信息来自于：last month。

单选题 What does Dr. Cole say they might learn about the planets with the new telescope?

A、 The small spots of light.
B、 Their chemical composition.
C、 Their temperature.
D、 Their age.

【正确答案】 B

【答案解析】[解析] surface，temperature都有所涉及；这个科学家说有了天文望远镜就使得这些星球看起来像spots of light，这并不是就因此可以说它们就是spots of light，而是借助于它，可以分析它们的化学成分。

单选题 Why did it take the scientists so long a time to find the new planets?

A、 Because they are much darker than their parent stars.
B、 Because there are too many of them.
C、 Because there is too much light in the universe.
D、 Because they are next to a huge explosion.

【正确答案】 A

【答案解析】[解析] 当问及为何要这么长时间时，这个天文学家给出的直接回答是：They are a billion times dimmer than their parent stars. dim的意思是“暗淡无光”。