C2
对话
1. Why does the man want to talk to the woman?
To find out why she rescheduled a session she was supposed to lead
To see if she can take over another volunteer’s project
To ask if she will participate in a new program at the observatory
To explain why she will have to reduce the hours she spends as a volunteer
2. What does the woman say about her first photograph of stars?
It led to her interest in astronomy.
It did not show what she wanted.
She did not have access to a telescope to take the photograph.
She took the photograph with a special type of camera.
3. According to the man, how can star trails be useful?
They help detect unintended camera movement.
They help detect changes in the atmosphere.
They help calculate distance based on Earth’s movement.
They help line up a telescope with a guide star.
4. What does the man imply when he discusses the techniques that the woman has learned for guiding?
She could improve her skill at guiding with additional training
She will need to use the techniques when she leads viewing sessions.
She should realize that the techniques will not work in certain situations
She may not need to use the techniques in the future.
5. What opinion does the man express about the woman’s schedule?
He finds it unusual that her schedule changed because of bad weather
He considers it important that the observatory not take too much of her time.
He believes it is unlikely that he will be able to meet with her in the evening.
He feels it is important that she volunteer more often in the daytime.