词组：

　　1. focus on 2. a number of

　　3. at all levels 4. make sense

　　5. make a difference 6. in random order

　　7. consist of 8. group into

　　9. as follows 10. needless to say

　　11. refer to 12. relate…to

　　13. associate with 14. compare with

　　句型：

　　A.定语从句

　　1) Psychological research has focused on a number of basic principles that helps memory.

　　2) Information that does not make any sense to you is difficult to remember

　　3) There are several ways in which we can make material more meaningful.

　　4) Material that is organized is better remembered than jumbled information.

　　5) Association refers to taking the material we want to remember and relating it to something we remember accurately.

　　B. 动名词做主语

　　1) Chunking consists of grouping separate bits of information.

　　2) Categorizing is another means of organization.

　　3) Forming an integrated image with all the information placed in a single mental picture can help us to preserve a memory.

　　Text B Short-term Memory

　　短语表达

　　1. at a later time

　　Go ahead with your work， I will give you a call at a later time.

　　I am not sure if I can remember all this at a later time.

　　2. in contrast (with / to)

　　Helen is very talkative. In contrast， her elder sister is silent.

　　His rudeness was in striking contrast with Jack's thoughtfulness.

　　3. look up

　　I don't remember Tom's telephone number， will you please look it up in the telephone book for me?

　　Look up the dictionary for the meaning of this new word.

　　4. be unable to

　　I am really sorry that I was unable to give you a call beforehand.

　　He was unable to provide us with more information.

　　5. be released from

　　He was released from prison after he had been kept there for 5 years.

　　He was released from a hospital last week after treatment for a disease.

　　6. be rewarded with

　　The winner was rewarded with gift of fruit and flowers.

　　If the rat could find the right door， it would be rewarded with food.