Unit Seven 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

Unit Six 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

Unit Five 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

Unit Three 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

Unit Ten 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

Unit One 1 Text 2 Situational Conversation 3 Practical Writing 4 Supplementary Reading

1 Unit One 2 Unit Two 3 Unit Three 4 Unit Four 5 Unit Five 6 Unit Six 7 Unit Seven 8 Unit Eight 9 Unit Nine 10 Unit Ten

1、概述 2、大豆的形态解剖特征及类型 3、大豆的生长发育及产量形成 4、大豆对环境条件的要求