UNIT 1 

Learning does not happen passively. It is an activity which a person does.  
It is a task which can be attempted in various of ways, some of which are 1._____ more appropriate than others. When the material to be learned is 2._____  a brief and simple kind which is familiar with the person and of intense 3._____ 
interest to him, effective learning usually proceeds automatically.   In the first place, the person at once relates the material to other   material which has already securely learned. Subsequently, the relevance 4._____  of the newly learned material to his interests assures its being 5.______  recalled on many occasions; and one repetition minimizes 6.______  the likelihood of remembering. Furthermore, the subsequent use 7.______  of the new material is likely to take place in a variety of contexts   and, so, the material becomes related to a narrower range of other material. 8.___  Because of all this, the material is rapidly learned, long retained,   and recalled with increasingly readiness in a variety of 9._____  contexts. Without really trying, the person had fulfilled a 10._____  few important conditions of effective learning. 

答案： 
1.第一个 of 去掉  
2. is 后加 of 
3. with 改为to 
4. has改为 is 或者在has后加been 
5. assures 改为 ensures 
6. one 改为this / the 
7. remembering改为 forgetting 
8. narrower 改为 wider 
9. increasingly改为 increasing 
10. had 改为 has