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1、2017-2018学年七年级英语上册 Unit 3 Is this your pencil Section A（2a3c）课后作业 （新版）人教新目标版Unit 3 Is this your pencil Section A (2a-3c) .根据句意及首字母提示完成单词 ?1.E me.Are you Li Tao? No,Im not. 2.Thank you for your h . 3.Miss Zhang is our English t . 4.What a the blue jacket? 5.Thank you very much. Youre w . ?.单项选择 1.Is
2、this ruler? No. is in the schoolbag. A.she;Hers B.her;Hers C.her;Her D.hers;Her 2.Excuse .Are you Jim? No, .Im Tom. A.me;Im not B.me;I amnt C.I;Im not D.I;I amnt 3.Is that your dictionary? .It is hers. A.Yes,it isnt B.No,it is C.Yes,it is D.No,it isnt 4.Is this your pen? Yes,it is. the ruler? It isn
3、t mine.Its Bobs. A.What about B.How C.Who D.What 5.Thank you for your help,Tom. A.How do you do? B.Im OK. C.Youre welcome. D.Goodbye. 1 ?.按要求改写下列句子 1.These are her keys.(改为一般疑问句) her keys? 2.Its his pencil box.(改为否定句) It his pencil box. 的图象可以由yax2的图象平移得到：（利用顶点坐标）3.This is an eraser.(对画线部分提问) 2. 俯角：当
4、从高处观测低处的目标时，视线与水平线所成的锐角称为俯角this? 4.Is that her ruler?(作否定回答) , . tanA不表示“tan”乘以“A”；5.P-E-N-C-I-L, pencil.(写出问句) you “pencil”? ?.看表格完成短文 （1）二次函数的图象(抛物线)与x轴的两个交点的横坐标x1，x2是对应一Names Things Colors Peter (I) red 定义：在RtABC中，锐角A的对边与邻边的比叫做A的正切，记作tanA，sinSally pink and blue 九年级数学下册知识点归纳Paul and Kate black Hel
5、lo!Im Peter.This . red.And this is Sally.Her tanA的值越大，梯子越陡，A越大；A越大，梯子越陡，tanA的值越大。. are lovely.And Paul and Kate.Their .They look beautiful. (1)三边之间的关系：a2+b2=c2；答案与解析 ?.1.Excuse 2.help 3.teacher 4.about 5.welcome ?.1.B 2.A 3.D 4.A 5.C 145.286.3加与减（三）2 P81-83?.1.Are these 2.is not 3.What is 4.No;it isnt 5.How do;spell ?.is my dictionary;Its; erasers are pink and blue; They; these are; watches are black 2