单词拼写。

1. Chinese history is filled with great ____________(成就) in science and technology    

2. She was ____________(满意的) with her birthday presents from her friends.        

3. When I came to the riverside, I found a boy ___________(挣扎) in the water.        

4. It is our duty to ____________(保卫) our motherland.                      

5.The four poles, ___________(支撑) the ceiling were well built.                    

6. He has made several ___________(发现)in science.                            

7. Children are taught to __________(尊敬)their teachers in the kindergarten.          

8."Mind your___________ (行为) , "the mother said to her young boy.              

9. I could hear them ____________(私语)under the tree over there .                  

10. Usually children are ____________(好奇的)about everything they see and meet.      

木材商：由于伐木公司长期以来在伐木之后都会重新种上树，现在销售的热带硬木几乎一半都来自这些可再生资源。
环境保护主义者：相反，所销售的热带硬木只有1%是从可再生资源中得到的，因为几乎所有的砍伐活动都会对动物栖息地造成破坏，而这是不能由重新种树所恢复的。
环境保护主义者对木材商的反驳是基于对下列哪一个词的重新解释

A．可再生资源。
B．热带的。
C．重新植树。
D．出售的硬木。
E．开采。