目录

  • 1 Unit 1 Looking forwards
    • 1.1 Understanding ideas
    • 1.2 Grammar
    • 1.3 Listening
    • 1.4 Developing ideas
    • 1.5 Writing
  • 2 Unit 2 Lessons in life
    • 2.1 Understanding ideas
    • 2.2 Grammar
    • 2.3 Listening
    • 2.4 Developing ideas
    • 2.5 Writing
  • 3 Unit 3 The world meets China
    • 3.1 Understanding ideas
    • 3.2 Grammar
    • 3.3 Listening
    • 3.4 Developing ideas
    • 3.5 Writing
  • 4 Unit 4 Everyday economics
    • 4.1 Understanding ideas
    • 4.2 Grammar
    • 4.3 Listening
    • 4.4 Developing ideas
    • 4.5 Writing
  • 5 Unit 5 Into the unknown
    • 5.1 Understanding ideas
    • 5.2 Grammar
    • 5.3 Listening
    • 5.4 Developing ideas
    • 5.5 Writing
  • 6 Unit 6 Space and beyond
    • 6.1 Understanding ideas
    • 6.2 Grammar
    • 6.3 Listening
    • 6.4 Developing ideas
    • 6.5 Writing
Grammar