CONTENTS 1
LESSON ONE 1
LESSON TWO 5
LESSON THREE 9
LESSON FOUR 13
LESSON FIVE 17
LESSON SIX 20
LESSON SEVEN 25
REVISION EXERCISES（Ⅰ） 29
LESSON EIGHT（略） 29
LESSON NINE 34
LESSON TEN 39
LESSON ELEVEN 43
LESSON TWELVE 47
LESSON THIRTEEN 52
LESSON FOURTEEN 56
LESSON FIFTEEN（略） 60
REVISION EXERCISES（Ⅱ） 60
TEST PAPER 64
KEY TO EXERCISES 69