问题 名词解释

基因工程

答案

参考答案:

根据人们的意愿对不同生物的遗传基因进行切割、拼接或重新组合,再转入生物体内产生出人们所期望的产物,或创造出具有新遗传性状的生物类型的一门技术。

阅读理解

阅读理解。

                                              Welcome to my shop

     This is my shop. It's near a school. There're many things in it. All students like to buy things here. Look!

  Here are ten pencils. They are pink and blue. They are on sale. You can buy a pencil for only 0.4 yuan.

 Do you like flowers? Here are five red flowers on the desk. One flower is one yuan. Do you see seven

 keys on the chair? They are black and look very nice. You can open the pencil-boxes with them. It is two

  yuan. The pencil-boxes are on the desk, too. Every pencil-box is five yuan. If you are hungry or thirty,

 you can also come to my shop and enjoy yourself.

1. You can open the _____ with the keys.

    A. doors          

    B. windows        

    C. pencil-boxes    

    D. desks

2. What colour are the pencils?

    A. Pink and blue.    

    B. Pink and red.    

    C. Red and black.  

    D. Blue and black.

3. The word "on sale" means (意思是) _____ in Chinese?

    A. 展示          

    B. 出售          

    C. 表演          

    D. 拍卖

4. Lily has ten yuan, and she can buy five pencils, one pencil-box, _____  key(s) and one flower.

    A. one            

    B. two            

    C. three          

    D. four

5. What can't you do in the shop?

    A. buy some stationery                

    B. eat or drink something

    C. buy some  flowers                

    D. play with balls

判断题