基础理解题定义：基础理解题重点考查读者对基础项目的理解，特别是读者根据文章的词汇、句法和语义内容，理解把握重要信息的能力。它包括以下八个具体题型：
1）词汇题(Vocabulary)：考查读者根据上下文理解特定词和短语的能力。这种题型虽难度不大，但占每篇文章后所有题目的三分之一，故考生仍应重视起来。

例题1   Passage:
"In the animal world the task of moving about is fulfilled in many ways. For some animals locomotion is
accomplished by changes in body shape..."The word locomotion in the passage is closest in meaning to
A.      evolution
B.      movement
C.      survival
D.      escape                          
正确答案是B。

例题2   Passage:
"Some poisonous snake bites need to be treated immediately or the victim will suffer paralysis..."
In stating that the victim will suffer paralysis the  author means that the victim will
A.      lose the ability to move
B.      become unconscious
C.      undergo shock
D.      feel great pain                
正确答案是A。