Question

閱讀理解。

     Have you ever heard someone use the phrase"once in a blue moon"? People use this expression to
describe something that they do not do very often. For example, someone might say that he tries to
avoid eating sweets because they are unhealthy, but will eat chocolate"once in a blue moon". Or
someone who does not usually like to go to the beach might say " I visit the shore once in a moon."
While many people use this phrase, not everyone knows the meaning behind it.
     The first thing to know is that the moon itself  is never really blue. This is just an expression fact, the
phrase "blue moon" has to do with the shape of  the moon, not the color.
     As the moon travels around the earth , it appears to change shape. We associate names with certain
shapes of the moon. For example, when we can see a small part of the moon is called a crescent moon.
A crescent is a shape that looks like the tip of a fingernail When we cannot see the moon at all, it is called
a new moon.
     When we can see the whole moon is called a full moon. Usually, there is only one full moon every
month. Sometimes , however will be two full moons in one month. When this happens, the second full
moon is called a moon".
     Over the next 20 years, there will only be 15 blue moons. As you can see, a blue moon every rare
event. This fact has led people to use the expression "once in a blue moon" to other very rare events in
their lives.

1. Which of the following would be a good example of using the phrase"once in a blue moon".
A. Simon often tells jokes. Simon tells jokes once in a blue moon.
B. Tom rarely remembers to do exercise. Tom does exercise once in a blue moon.
C. Mary likes to go shopping every weekend. Mary goes shopping once in a blue moon.
D. Cindy nates to stay up, but she stays up every day. Cindy stays up once in a blue moon.
2. When does a blue moon happen in nature?
A. When the moon has a blue moon.
B. When we cannot see the moon at all.
C. When there are two full moons in one month.
D. When we can only see a small part of the moon.
3. Which of the following is another example of something that has a shape?
A. The letter "O"
B. The letter "M"
C. The letter "H"
D. The letter "C"
4. How often will a blue moon happen over the next twenty years?
A. Once a year.            
B. Less than once a year.
C. More than once a year.  
D. At least twice a year.
5. What does the underlined part "This fact" in the last paragraph refer to (所指)?
A. A blue moon is a very rare event.
B. The moon appears to change shape.
C. The moon itself is never really blue.
D. A blue moon has to do with the shape of the moon.

Answer 1

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