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Section A. Listening and Practicing
Section B. Speaking and Discussing
Section C. Reading and Thinking
- Part One Texts
- Part Two Focus Exercises
Section D. Grammar Focusing
- Micro-lecture
- Test Yourself
Section E. Practical Writing
- Micro-lecture
- Writing Practice
Section F. English Enjoying
- Section F. English Enjoying

Yuan Longping, Father of Hybrid Rice

Yuan Longping, Father of Hybrid Rice
Yuan Longping, Father of Hybrid Rice