本单元的习作练习要求同学们写一封信。老师总结了一下,如果想把这次练习做好,一定要注意“写信三部曲”。有的同学问写信三部曲是什么呀?是写信、装信封、贴邮票吗?当然不是,这位同学说的是把信寄走共分几步。老师说的写信三部曲,是完成这次习作要注意的三部分。第一部分是审题部分。本次练习的要求是:“你就要小学毕业了, The unit’s practice exercises require students to write a letter. The teacher summed it up, if you want to do a good job this exercise, we must pay attention to ”write trilogy “. Some students asked what is the trilogy write letter? Is writing letters, envelopes, stamps? Of course not, the students said the letter is sent to take a few steps. The teacher wrote the trilogy, which is the three parts that should be paid attention to when completing this exercise. The first part is the trial section. The requirements of this exercise are: ”You have to graduate in primary school,