第五章：光学原理52RP光学部分的工作原理光路示意图如下：1）灯泡：该灯泡的型号为Philips100WUHP泡，其使用寿命指标为7000小时，且更换简...
课时分层作业(五)Ⅰ.单句语法填空1．Goandgetyourcoat.It'swhereyouleftit.2．That'swhyIwantyoutoworkthere.3．Mothertookholdofthebarkin...
课时分层作业(五)Ⅰ.单句语法填空1．Afterworkingabroadforayear，Tomfeelssomethingismissing(miss)fromhislife.2．Themagazineispublishe...
单元综合检测(五)Ⅰ.阅读理解(共15小题；每小题2.5分，满分37.5分)AThesemuseumsaresolelydevotedtoaparticularpieceoffoodculture.SPAMMus...
Unit51.initial['nl]adj.ɪɪʃə最初的；开始的；首字母的2.thus[ðs]ʌadv.因此，所以，于是3.zone[zn]əʊn.地带；地区；联防4.oxygen['...
