Text A Improving Your Memory
搭配：
1. focus on sb./sth.; be focused on 集中;聚焦;关注/动词词组
a focus of attention 注意力/名词词组
2. at all levels 在各个层次/介词词组
3. make any sense to sb. 对某人来说有意义;某人不明白某事/动词词组
4. make a difference in sth./doing sth. 在什么方面有区别/动词词组
5. ability to do sth. 有能力做某事;注：永远没有ability of doing sth./名词词组
6. keep in random order 顺序混乱/动词词组
7. group sth. into sth. 把什么按什么分组/动词词组
8. as follows 如下所示/副词词组
9. needless to say 毋庸多言/作插入语
10. refer to sth./doing sth. 提到、指的是、参考;refer back to 重提某事;refer sb. to sb. else 让某人去找另外一人 e.g. If he needs any further information， refer him to me. 如果他还需要了解什么情况，让他来找我。注：prefer 更喜欢。
11. relate sth. to/with sth. 把什么和什么联系在一起：可指物或事件。
associate sb./sth. with sb./sth. 把某人或某事联系在一起：特指人。
12. compare A with B 把A和B作比较/动词词组
语言点：
1. a number of 表示许多，后面接可数名词复数;an amount of 后接不可数名词
2. 形式主语句：it is/was +adj.+to do sth.;to do sth.为真正的主语，it为形式主语
e.g. It is useful to know how these principles work.
3. 使役动词：make sb. do sth./ help sb. do sth.
4. Categorizing is another means of organization. 注：动词的-ing做主语;means单复数同型
5. In memorizing a number，you might try to associate it with familiar numbers or events.(注意介词后的动词形式)
6. Research has shown striking improvements in many types of memory tasks when people are asked to visualize the items to be remembered.(注意动词不定式后使用被动态是由于item 和remember 之间是被动关系)研究表明当人们被要求用形象的办法来记住东西的时候，各种记忆力都会得到明显的提高。
Text B Short-term Memory
搭配：
1. in contrast 与此相反; 同义词conversely， on the other hand (阅读技巧：下文和上文的完全转折)
2. over and over 一次又一次地/副词词组
3. look up sth. in sth. 在什么中查找，查阅什么/动词词组
4. repeat sth. to oneself 自言自语/动词词组
5. study sth. with sth. 用什么来研究什么/动词词组
6. turn on/turn off the lights 开灯、关灯/动词词组
7. be released from some place 被从什么地方放出/动词词组
8. to begin with 首先，最初/副词词组
语言点：
1. 时态问题：在时间状语、条件状语从句中，主句用将来时态，从句用现在时表示将来。E.g. If someone interrupts you，you will probably forget the number.
2. able-unable
3. Following the recording， the subjects took a 15-question test to see which words they remembered. 注：Following=after;a 15-question test=a 15 questions'test; a five-year old boy=a five years'old boy
4. relate(联系)-related(相连的)-unrelated(不相关联的)
