阅读理解。

     I have six baskets. Three are big, three are small. I have some pears and some oranges. I put three

pears in each small basket, and I put three oranges in each big basket and one orange in each small

basket. The number of oranges is my age.

1. I have _____ pears.

A. three

B. five  

C. seven

D. nine

2. I have _____ oranges.

A. six

B. eight

C. ten

D. twelve

3. —What are those in the small baskets?

    —They are _____.

A. nine pears

B. nine oranges  

C. three pears and nine oranges  

D. nine pears and three oranges

4. —Where are the pears?

    —They are in the_____.

A. three big baskets  

B. three small baskets  

C. a big basket  

D. a small basket

5. Do you know how old I am? I'm _____.

A. nine

B. ten  

C. eleven

D. twelve

下列实验或做法不能达到目的是（　　）

A．用活性炭除去水中的异味

B．用盐酸、石灰水证明鸡蛋壳的主要成分中含有碳酸盐

C．用燃着的木条区分二氧化碳和氮气

D．用观察颜色的方法区分铝片和铜片