九、Binbin 找到了一篇教大家如何观星的实用指南。阅读指南，选择正确的选项。
A clear and cloudless summer night is a great time to go outside and look at the stars. Here are some easy steps to get started.

()1. How does the writer tell us how to watch the stars?
A. By telling a story.
B. By comparing(比较) different ideas.
C. By giving us many steps.
()2. When is the best time to look at stars?
A. During a full moon in spring.
B. During a new moon in summer.
C. During a full moon in autumn.
()3. The underlined word “visible” in the text means “”.
A. once a month
B. very small
C. can be seen
()4. Can you see Venus without a telescope at night?
A. Yes, we can.
B. No, we can't.
C. We don't know.
()5. Binbin lives in a bright city. He wants to watch the stars on the coming new moon night. What should he do?
A. Look at the western sky from his window before the sunset.
B. Go to a dark hill far from the city with a star map.
C. Wait for a full moon to look up from the city street.

1. C 2. B 3. C 4. A 5. B
解析
1. 句意:作者怎样告诉我们是如何观星的?
依据:Here are some easy steps to get started.
分析:作者给出了一些简单的观星步骤,故选 C。
2. 句意:什么时候是观星的最佳时间?
依据:①A clear and cloudless summer night is a great time ...
②The best time is during a new moon ...
分析:最佳时间是夏季的新月期间,故选 B。
3. 句意:文中画线单词“visible”的意思是“____”。
依据:A full moon is very bright ... when the Moon is very small or not visible.
分析:满月时月亮太亮而很难看到星星,那么新月是最佳观星时间,是因为这时月亮小,甚至看不见,故选 C。
4. 句意:你能在晚上不用望远镜就看到金星吗?
依据:You can see some planets without a telescope. Venus is the brightest, ...
分析:晚上能不用望远镜看到一些行星,其中金星是最亮的,故选 A。
5. 句意:Binbin 住在明亮的城市。他想在即将到来的新月夜晚观星。他应该怎么做?
依据:①On a clear night ... find a dark place away from streets and lights.
②You can use a star map or a free app on the phone.
分析:应去远离城市的黑暗地方,使用星图或免费软件观星,故选 B。