三年级下册英语知识清单Unit1重点单词1.open开；打开 2.the这个；这些；那个；那些 3.door门4.close关上；合上5.window窗，窗户6.book书7.Mr先生8.please请9.sorry对不起10.rubber橡皮11.blackboard黑板12.don't＝donot重点短语1.inclass在上课 2.standup起立 3.sitdown坐下4.comein进来5.openthedoor开门6.closethewindow关窗7.listentotheparrot听鹦鹉说话8.lookattheblackboard看黑板8.openyourbook打开你的书重点句型1.Goodmorning,class.早上好，同学们。2.Pleaseopenthedoor.请开门。3.Pleaseclosethewindow.请关上窗户。4.Standup,please.请起立。5.Sitdown,please.请坐下。6.Comein,please.请进。7.Lookattheblackboard,please.请看黑板。8.—What'sthis？这是什么？—It'sarubber.它是一块橡皮。9.Don'tlistentotheparrot,Sam！萨姆，不要听鹦鹉说话。