| 启迪20000万学子的智慧。 经典题型，黄金组合。 |
| Unit 1 Spring Is Coming! Lesson 1：What’S the Weather Like? 1 知识题练 2 能力题练 Lesson 2：It’S Getting Warmer! 1 知识题练 2 能力题练 Lesson 3：Postcards! 1 知识题练 2 能力题练 Lesson 4：Sun Is Risin9 1 知识题练 2 能力题练 Lesson 5：Fun in the Sun 1 知识题练 2 能力题练 Lesson 6：Danny the Babysitter 1 知识题练 2 能力题练 Lesson 7：Danny’S“Debbie”Day 1 知识题练 2 能力题练 Lesson 8：Unit Renew 语法题练 Unit 2 Plant a Plant! Lesson 9：How Does a Plant Grow? 1 知识题练 2 能力题练 Lesson 10：Plant Parts 1 知识题练 2 能力题练 Lesson 11：Look after Your Plant! 1 知识题练 2 能力题练 Lesson 12：pretty Little Plant 1 知识题练 2 能力题练 Lesson 13：Why Are Plants Important? 1 知识题练 2 能力题练 Lesson 14：People and Plants 1 知识题练 2 能力题练 Lesson 15：Danny Grows Grain! 1 知识题练 2 能力题练 Lesson 16：Unit Review 语法题练 Unit 3 Amazing Animals Unit 4 Look into Science Unit 5 Go with Transportation Unit 6 Connect Unit 7 Know Our World Unit 8 Save Our World |
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