LESSON ONE 1
LESSON TWO 6
LESSON THREE 11
LESSON FOUR 16
LESSON FIVE 21
LESSON SIX 25
LESSON SEVEN 28
LESSON EIGHT 33
LESSON NINE 37
LESSON TEN 41
LESSON ELEVEN 45
LESSON TWELVE 50
LESSON THIRTEEN 54
LESSON FOURTEEN 58
LESSON FIFTEEN 62
LESSON SIXTEEN 66
LESSON SEVENTEEN 71
LESSON EIGHTEEN 74
LESSON NINETEEN 77
LESSON TWENTY 83
LESSON TWENTY-ONE 88
LESSON TWENTY-TWO 92
LESSON TWENTY-THREE 96
APPENDIX(附录) 101
(一)Word Formalion 101
(二)科技英语的翻译方法 108
(三)课文译文 113
(四)阅读材料译文 126
(五)生词总表 133
(六)Key to Exercises 156