（湘少版）六年级英语下册教案 unit4(3)

四年级英语上册教案 unit5(2)（湘少版）

（教案3）He spent about twenty-one hours in space

（教案4）He spent about twenty-one hours in space

（人教PEP）三年级英语下册教案 Unit 4(10)说课稿

（教案2）He spent about twenty-one hours in space

（教案1）He spent about twenty-one hours in space