TOEFL英语阅读题目分类：题型篇(1)
主题型：
题目为每篇阅读理解文章第一道，是所有其它题目的依据，解题技巧：
1、阅读每一段首句相加，概括型主题
2、第一段为主题背景性文章，but，however，转折词后为主题句
3、主题词的反复重现
4、段落句首连词的逻辑走向判断主题
5、Development，why，mechanism，常为主题标识
6、段落首句小词的重要性
普样1
Q1 D The way of life...
Q23 A mechanics L1 What
Q31 C development
普样2
Q11 B Why L5: factor L10, 18: probably
Q21 C development
Q41 D salinity在每一段中的复现
普样3
Q11 B human vision 主题词为首句主词
Q22 C making L1: made; L6: makes；L9: material; L14: tools;
普样4
Q34 B explain L3 two reasons... account for L5: the first
95/8 Q31 A The origins of L1: many theories; L10: those who believe；
L21: another theory, L25; related theory
95/10 Q14 D The effects
95/10 Q42 A The historical development L6: the ancestry
95/12 Q2 A L1: another
95/12 Q32 C 第一段尾局首句复杂
96/1 Q10 B development
96/1 Q31 C 第一段首句，第二段首句 * NA
96/1 Q42 C mechanism * NA
96/1 Q1 D outline
96/1 Q19 C characteristics
96/1 Q41 B ways
96/5 Q13 C the impact of...on...
96/5 Q33 A 主题词重现
96/8 Q22 C the characteristics
96/8 Q33 B development (D the history)
96/8 Q42 B how...changed (why...developed)
96/12 Q1 B difference L3: distinction 首段尾句
97/1 Q29 B L1: a number of adaptations, L2: one, L13: another
L16: an equally important adaptation, L24: further ability
97/1 Q40 B Causes and effects of
97/5 Q31 A the explanation of