TF听力真题XYS_CH_002_L3
听力音频：
L4#5
Directions: Now listen to part of a talk in an astronomy class.
NOTE TO STUDENT:
Do NOT look at the questions on the next page until after you listen. Get a pen and a piece of paper and get ready to take notes. Click the icon above or the link below when you’re ready.
Listen to part of a talk in an astronomy class
Source: Fraknoi, A., Morrison, D., & Wolff, S.C. (2016). Astrobiology.
***Vocabulary is sometimes provided in written form when it may be unfamiliar to the student, but essential for understanding the lecture.
Directions: Now, answer the questions.
1. What is the lecture mainly about?
a. The process of photosynthesis
b. Figuring out how life on Earth began
c. Research currently being done on the origins of life
d. The sequence of steps that led to the creation of life
2. What is the professor’s attitude towards the topic?
a. She is excited about the topic and the work being done in this field
b. She is tired of the topic because she has given this lecture many times
c. She finds this topic interesting but slightly outdated
d. She is concerned that the students may not understand the topic because it is complex
3. How does the professor organize the lecture?
a. She presents what is known and not known about the creation of life on Earth
b. She compares and contrasts current research to older findings in the field
c. She lists a series of events that occurred early in Earth’s history
d. She introduces the topic from a previous lecture and then provides several supporting examples
4. What had to happen first for life to appear on Earth?
a. Photosynthesis had to occur
b. The ozone layer had to be created
c. Extraterrestrial amino acids and sugars had to come from space
d. The most basic life forms needed an increased level of sunlight
5. Why does the professor say this?
a. To illustrate that photosynthesis was the most valuable discovery by biologists
b. To show that the origin of life is not the most important thing to study in biology
c. To describe the process of photosynthesis
d. To emphasize that the role of photosynthesis was essential to life on Earth
6. What does an astrobiologist do?
a. Studies the biology of the stars
b. Tries to figure out the building blocks of life on Earth and in space
c. Conducts research in the fields of biology and geology
d. Studies extraterrestrial proteins and sugars
