六、阅读理解(10分)：

One day，a little boy came to a shop and said to the shop assistant, "I want to buy twelve exercise-books of 10 cents and nine pencils of 15 cents, four pieces of rubbers of 20 cents. How much shall I pay?"

The shop assistant wrote all numbers down on a piece of paper and calculated(计算).

Then she said, "You should pay 3.35 dollars altogether."

"If I give you 5 dollars, how much shall I get back?"

"You'll get back 1.65 dollars. Shall I pack these things for you?"

"No, I don't buy anything" the boy looked at the piece of paper and said politely. "This is my maths homework. Can I take the answer away?"

(    )1. _______ kinds of things are mentioned(提到) by the boy.

A. One    B. Two    C. Three    D. Four

(    )2. The boy went to the shop _______.

A. to buy something for his school    B. to buy something for his home

C. to see how many things the shop has    D. to get an answer

(    )3. Nine pencils of 15 cents is ______.

A. $ 1.35   B. $ 1.65

C. $ 0.15    D. 2.15

(    )4. The shop assistant asked the boy to pay __________after she answered boy.

A. nothing   B. $ 3.35

C. $ 1.65     D. $ 5

(     )5. the boy bought ___________ at last.

A. nothing   B. nine pencils

C. twelve' exercise-books

D. four pieces of rubbers