简述加氯间的巡视内容，突然失电时如何处理。
1.检查氯瓶重量确保氯瓶内有大于 5-10kg的氯气，检查加氯蒸发器，加氯机等设备是否能正常运作，管道压力是否正常，检查液氯泄露的报警综合装置是否能正常运作。
失电操作： 1 关闭氯瓶阀门 2 关加氯机进氯出氯阀门 3 切断蒸发器电源 4 用便携式式液氯泄露报警仪测试是否有液氯泄露现象 5 通知电工进行停电原因检查，若是外部供电问题及时启用备用电源恢复加氯，若内部线路问题进行线路维修，排除故障后恢复供电，进行加氯投加。
暂无解析
Look!Lucyis______anewreddress.Sheisbeautifultoday.
翻译下面的短语
1.二瓶果汁___________
2.到这来___________
3.在树下___________
4.双胞胎兄弟___________
5.howmuch___________
6.thanksalot___________
7.lookafter___________
8.puton___________
9.在天空中___________
10.穿红衣服的女孩___________
Wearemakingamodelplane.(变成一般疑问句)
______________________________________
JackisateacherofEnglish.Heisnotyoung，butheisnotold.Hehasaroundfaceandblackhair.Heistall.Therearefiftystudentsinhisclass.Theyalllikehim.Nowit'sintheafternoon.Look，somestudentsareworkingintheclassroom.Jackisthere，too.HeishelpingthemtostudyEnglish.Heisagoodteacher，andheisagoodfriendofthemall.
()1.WhatdoesJackdo?
A.Heisaworker.
B.Heisateacher.
C.Heisadoctor.
D.He'sanurse.
()2.Whatcolourishishair?
A.It'sblack.
B.Hisheiriswhite.
C.Itisbrown.
D.Hehasyellowhair.
()3.Howmanystudentsarethereinhisclass?
A.Therearefifteenstudentsinhisclass.
B.There'sfifty.
C.Hehasfifty.
D.There'refiftyinit.
()4.Jackisagoodteacher，isn'the?
A.Yes，heisn't.
B.No，heis.
C.Yes，he's.
D.Yes，heis.
()5.Whatarethestudentsdoingintheclassroom?
A.Theyarewalkingthere.
B.Theyaredoingtheirlessons.
C.Theyarehelpingtheirteacher.
close________(现在分词)
