广州版英语 三下Unit3知识清单练习题

广州版版三下Unit3知识清单【知识点一】Where is my car?句型结构：Where  is/are  + 某物？用来询问某物在什么地方。is后接可数名词单数或不可数名词；are后接可数名词复数。例：
 --Where is your book?--It is on the desk. --Where are the cats?--They are near the table. 【知识点二】Is it in the box? 句型结构：Is  it    + 介词短语 ？或：      Are  they  + 介词短语 ？用来询问某物是否在某地。例：--Is it under the box ?--Yes , it is. / No , it isn't. --Are they on the table?--Yes , they are. / No, they aren't. 【知识点三】注意：it is  和 is it  的区别：It’s = it is… 它是/ 它在…… （肯定句）例：It’s on the desk. 它在桌子上。 Is it…?  它是/ 它在……吗？（一般疑问句）例：Is it on the desk? 它在桌上吗？ 【知识点四】in/near/under/on①in在......里面
 My pencil is in the pencil-box.我的铅笔在文具盒里。②near在......附近
 The chair is near the desk.椅子在桌子的附近。③under在......下面The dog is under the tree.
 小狗在树下。④on在......上面The books are on the table.书在桌子上。⑤注意：near/beside/next to的区别   1)意思不同：near在......附近beside在......旁边next to紧挨着   2)距离远近不同从近 到一般近 到最近：near> beside> next to三者中，next to离物体最近 【知识点五】重点知识--方位介词图解  方位词口诀（部分）on上  in里  under下front前  behind后  between在中间next to 紧挨着， beside beside在旁边over over在上方， near near在附近