本书将帮你充分备战托福考试的第二部分——语法结构与改错部分。这本书可作教科书和自学参考书之用。本书的16个章节包括了托福考试第二部分所有的语法项目，并为大家提供有关各个语法项目的简介、托福样题和内容丰富多彩的练习。为了进一步巩固你的学习效果，本书还在第二部分提供了5套试题。本书的后面还有内容详尽的答案，以便你核对答案时使用。

本书不仅能帮助你迅速熟悉托福考试第二部分的题型，还会帮助你了解进而熟知托福考试所要测试的各专业领域内容。这些专业领域包括物理科学、社会科学、艺术和人文科学等等。

Acknowledgments

To the Teacher

To the Student

Structure and Written Expression

PART 1: TYPES OF STRUCTURE AND WRITTEN EXPRESSION QUESTIONS

CHAPTER 1: NOUNS

CHAPTER 2: PRONOUNS

CHAPTER 3 PARTS OF A SENTENCE

CHAPTER 4: VERBS

……

PART Ⅱ: STRUCTURE AND WRITTEN EXPRESSION PRACTICE TESTS

PRACTICE TEST 1

PRACTICE TEST 2

PRACTICE TEST 3

PRACTICE TEST 4

PRACTICE TEST 5

Answer Key

The development of the radio telescope has led to two of the most important discoveries in modern astronomy:the identification of the most distant galaxies and the smallest stars ever seen. Before these discoveries were made,new large telescopes had to be built.