阅读下面的材料,从每小题所给的A、B、C、D四个选项中选出最佳选项。
A

Listening to Natural Disasters
Do you know how we can survive in an earthquake? Natural disasters have been a great threat(威胁)to human beings since the beginning.
Just as the old saying goes, "Know yourself, and know your enemy." Only when we know more about natural disasters can we come up with excellent ideas to fight against them. This Saturday, we invite Malika Sultanova, an expert in environmental science, to give a lecture(讲座)on what you need to know about natural disasters!
Time: 9:00 a.m. —11:30 a.m.
Location: 302 Classroom 3F, School Teaching Building
What you will learn:
Considering where we live, Professor Sultanova will introduce information about earthquakes as well as tsunamis caused by them. In the lecture, you will learn:
◎ How an earthquake and a tsunami happen
◎ How close we are to an earthquake and a tsunami
◎ Useful experience about surviving an earthquake and a tsunami
After the speech, we'd move to questioning. All of you will have the chance to ask questions, so you can think about what you want to know ahead of time. If you want to learn more about the lecture, please visit https://thebestschools.org.
()26. What is the purpose of the lecture?
A. To know environmental science.
B. To introduce different kinds of disasters.
C. To survive in the natural disasters.
D. To learn to save people in an earthquake.
()27. How long will the lecture last?
A. For two hours.
B. For an hour.
C. For an hour and a half.
D. For two hours and a half.
()28. Which of the following is TRUE according to the passage?
A. Malika Sultanova is an expert in space science.
B. The lecture will be held in the school teaching building.
C. You can write an email to know more about the lecture.
D. Listeners will learn how to survive a wildfire in the lecture.
()29. What's the writer's advice to those who want to go to the lecture?
A. Be active in asking questions.
B. Prepare your questions ahead of time.
C. Share a natural disaster you experienced.
D. Learn more about natural disasters before the lecture.
()30. Where can you most probably find this passage?
A. On a school website.
B. In a history magazine.
C. In a city newspaper.
D. On a sports TV program.

26. C 根据“Do you know how we can survive in an earthquake?”及“Only when we know more about natural disasters can we come up with excellent ideas to fight against them.”可知，讲座的目的是告诉我们如何在自然灾害中生存。故选C。
27. D 根据Time:9:00 a.m. — 11:30 a.m.可知，讲座时长2.5小时。故选D。
28. B 根据Location:302 Classroom 3F, School Teaching Building可知，讲座将在学校教学楼举行。故选B。
29. B 根据“All of you will have the chance to ask questions, so you can think about what you want to know ahead of time.”可知，作者建议提前想好你想知道的问题，所以最好提前准备好你的问题。故选B。
30. A 根据“If you want to learn more about the lecture, please visit https://thebestschools.org.”可知，我们最有可能在学校网站上看到这篇文章。故选A。