试题与答案

在理想情况下,当望远镜视线水平,且指标水准管气泡居中时,竖盘指标应指向一常数(0°、

题型:填空题

题目:

在理想情况下,当望远镜视线水平,且指标水准管气泡居中时,竖盘指标应指向一常数(0°、90°、180°、270°)上,但实际上并不能指向某一常数,而比常数略大或略小一个角值X,这个小角值X称为()。

答案:

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题型:阅读理解

阅读理解

       You may know the song Happy Birthday very well. But do you know about its writer? It was written by an American girl. And she became very rich after that.

       When she was a child, she was poor. Once, she was invited to her friend's birthday party. She was

pleased but sad because she didn't have enough money to buy a gift for her.

       "The party is coming soon, but now I have little money." Tears ran down her face.

       Later that night she was in bed, thinking about the gift when the door opened and her grandma came

in." What happened? " her grandma asked. Hearing the girl's story, she said, "Don't worry. I think I can

help you. How about singing a song together? Happy birthday to …"What a beautiful song! They sang

and sang. Suddenly she woke up. It was a dream! She decided to write it down at once and sing it to her

friends at the party.

       When she sang the song at the party the next day, her friends were very happy. "How wonderfully you sing! We haven't heard such a beautiful song before. Thank you for giving me the special gift." said her

friend. And they learnt to sing it together. Later the girl became well-known in America.

1. The song Happy Birthday was written by                     .

A. an American girl

B. an American girl's grandma

C. an American boy

D. an American girl's friend

2. The girl was sad because                   .

A. she didn't want to go to the party.        

B. she would be busy that day.

C. she didn't have enough money to buy a gift.

D. she wasn't invited to the party.

3. What gift did she give her friend?                    

A. A flower.  

B. A toy.    

C. An interesting book.  

D. A song.

4. What did her friends think of the song?  It was                  .

A. boring        

B. beautiful  

C. exciting            

D. interesting

5. Which of the following is TRUE?

A. The girl was still poor after writing the song .

B. The girl sang the song with her grandpa in her dream.

C. The girl's friends had heard the song before.  

D. The girl became famous because of the song.

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