阅读理解。

    This is Li Lei’s pencil case. And it is my home. I’m Li Lei’s good helper(帮手). I have friends here. There are three pencils, one eraser and one ruler. Because Li Lei likes me, I am the king(国王) in the pencil case. But today, a pen comes in. It is new, but I’m old. Li Lei likes it. The new pen is his helper now. I am not happy. But I think I can find a new home, and I can be the king there.

1. Who is the new king?      

A. The old pen.  

B. The new pen.  

C. The pencil.  

D. The eraser.

2. Is the old king an eraser?

A.Yes, it is.      

B. No, it isn’t.    

C.Yes, it’s.      

D. No, it not.

3. How many pencils are there in the pencil case?     

A. One.        

B. Two        

C. Three.        

D. Four.

4. Does Li Lei like the new pen or the old one?     

A. The new pen.  

B. The old one.    

C. Both.        

D. Neither(两个都不).

5. Is the old pen happy?     

A. Yes, it is.      

B. No, it isn’t.    

C.Yes, I am.      

D. No, I’m not.

零存整取是每月存入一次，且存入金额每次都相同，为了方便起见，我们将存期可化为常数（）。

A.1年78，3年666，5年1860

B.1年76，3年666，5年1830

C.1年78，3年666，5年1830

D.1年78，3年668，5年1830