unit 7 how much are these pants? practice 1 作业导航1.掌握本单元的基础知识：how much…？句型；指示代词this,that,these和those的用法。? 2.能够通过练习熟练掌握询问价格，谈论服装和表示感谢的表达法。一、根据本单元所学词汇，补全下列单词?t-sh_ _t                                          s_ _ks?p_ _ts                                                           sh_ _ts?sw_ _ter                                                d_ll_r?bl_ _k                                                    wh_t_?gr_ _n                                                    bl_ _?sm_ _ _                                                 l_ _g?tw_ _ve                                                 th_ _t_ _n?f_ _teen                                                 eigh_ _ _n?n_n_teen                                                tw_ _ty?thi_t_?二、按图写单词?a___________ b___________ c___________ d___________    ?e___________ f___________g___________ h___________?               a                                     b?               c                          d?               e                     f?               g                              h?三、读下列每组单词，将不属于同类的单词写在横线上?1.___________ dollar,volleyball,quarter,cent,dime,nickel?2.___________ tomatoes,bags,carrots,broccoli,vegetables,salad?3.___________ thirty-one,twenty-eight,twelve,shorts,three,fifteen?4.___________ t-shirts,sweaters,chairs,shorts,pants,dresses?5.___________ green,blue,red,socks,yellow,white?6.___________ chicken,fish,beef,pork,ice cream,mutton?7.___________ apples,oranges,pants,pears,grapes?8.___________ backpack,desk,hat,pencil,eraser,ruler?9.___________ brother,sister,father,mother,broccoli,grandparents?10.___________ baseball,basketball,soccer,shoes,tennis ball,volleyball?四、看图,完成下列对话?1.clerk:___________________________________??nancy:yes,please.i want a pair of ___________.?clerk:what about these blue pants??nancy:i don’t like ___________ pants.?clerk:what ___________ do you want??nancy:yellow.?clerk:here you ___________.?nancy:___________________________________??clerk:30 dollars.?nancy:i'll take them.thank you very much.?clerk:___________________________________.?2.clerk:what can i do for you??zhen zhuo:___________________________________.?clerk:what about these socks??zhen zhuo:let me have a look.oh,no.they are too ___________.?clerk:what about these ones? they are long.?zhen zhuo:good! ___________________________________?clerk:5 yuan.zhen zhuo:i’ll take them.___________.?clerk:you’re welcome.?五、连词组句 (请注意大小写和标点符号)?1.how,is,blue,t-shirt,much,this?________________________________________________?2.red,are,each,those,sweaters,50 dollars?________________________________________________?3.you,like,small,do,bags,ones,or,big ?________________________________________________?4.pants,are,these,black,how much?________________________________________________?5.what color,you,do,want?________________________________________________?6.have,we,in all colors,sweaters,30 yuan,at,each?________________________________________________?7.you,it,have,it,we,name?________________________________________________?参考答案一、t-shirt，socks，pants，shorts，sweater，dollar，black，white，green，blue，small，long，twelve，thirteen，fifteen，eighteen，nineteen，twenty，thirty?二、a.pants b.t-shirt c.socks d.shorts e.sweater f.hat g.bags h.shoes?三、1.volleyball 2.bags 3.shorts 4.chairs 5.socks 6.ice cream 7.pants 8.hat 9.broccoli 10.shoes?四、1.clerk:can i help you? nancy:pants.nancy:blue clerk:color clerk:are nancy:how much are they? clerk:you are welcome.?2.zhen zhuo:i want a pair of socks. zhen zhuo:short zhen zhuo:how much are they?zhen zhuo:thank you a lot.?五、1.how much is this blue t-shirt??2.those red sweaters are 50 dollars each.?3.do you like small bags or big ones??4.how much are these black pants??5.what color do you want??6.we have sweaters in all colors at 30 yuan each.?7.you name it, we have it.?