三年级下册英语知识清单Unit4重点单词1.bird鸟 2.desk课桌；书桌 3.chair椅子4.on在……上面5.under在……下面6.behind在……后面7.tree树8.one一9.two二10.three三11.beautiful漂亮的；美丽的12.guess猜；猜测重点短语1.underthedesk在课桌下面2.behindthedoor在门后面3.onyourchair在你的椅子上4.inthedesk在我的课桌里5.inthetree在树上重点句型1.—Look！Abird！看，一只鸟！—Howbeautiful！真漂亮！2.—Where'sthebird？鸟在哪里？—It'sunderyourdesk.它在课桌里。3.It'snothere.它不在这里。4.It'sinthetreenow.它现在在树上。5.—Isitinyourpencilcase？它在你的铅笔盒里吗？—No，itisn't.不，它不在。6.—Where'sBobby？波比在哪儿？—He'sbehindthedoor.他在门后面。