4. Information that doesn’t make any sense to you is difficult to remember.

that引导的定语从句修饰information; 主句是Information is difficult to remember.

不定式to remember 用在做表语用的形容词后面作状语。

make sense 的意思是“有意义;可理解”。请看下面的句子：

His explanation makes no sense to his students.(学生们不理解他的解释。)

5. Organization also makes a difference in our ability to remember.

动词不定式to remember在句中做定语，修饰名词ability.请看下面的句子：

He has kept the promise to come early in the morning.(他遵守了一大早来的诺言。)

make a difference 的意思是“有关系;有影响;起作用”。请看下面的句子：

1) What he said would not make any difference in my decision-making.

(他说的话不会对我做决定产生任何影响。)

2) Your participation in the work will make a great difference.(你参与我们的工作，情况就不一样了。)

6. Material that is organized is better remembered than jumbled information.

句中的better是副词well的比较级形式，意思是“更好地”。请看下面的句子：

This job is better paid than that one.(这份工作的报酬比那份高。)

information是一个不可数名词，不能在其后加“-s”。请看例句：

7. Chunking consists of grouping separate bits of information.

在第一单元的Text B中我们已经对consist of有所了解。这一词组的意思是“由…组成”，它与be made up of;be composed of 的意思相近，但consist of 不用被动语态。请看例句：

1) The United States consists of 50 states.(美国由50个州组成。)

2) Our class is made up of 45 students.(我们班由45名同学组成。)

a bit在句中的意思是“一点，一些”，它可以用在形容词的前面， 但是不能用在名词的前面。在名词前面必须用a bit of.请看下面的例句：

1) I am a bit tired today.(我今天有点累。)

2) I would appreciate it if you could give me a bit of good advice.

(如果你能给我一点宝贵建议我会很感激的。)

8. Categorizing is another means of organization.

句中的means是一个名词，意思是“方式;手段”，它不是动词mean的第三人称单数。请看下面的例句：

Email is a modern means of communication. (电子邮件是一种现代通讯方式。)