Choosethewordsorexpressionsandcompletethepassage（选择最恰当的单词或词语完成短文)（12分）
Thebookthatcan’twait
Oneproblemalotofpeoplehavewithbooksisthattheybuythemandthenneverstartreadingthem.
To  【1】,aforeign publisher calledEternaCadenciacameupwithaverycleveridea:itprintedthewordsofthebooks indisappearingink:thetextofthebook vanishes(消失) twomonthsafterthespecialpackageofthebookisopened,sothat encouraging buyerstostartreadingit【2】 itgoesaway.Theycallthis“thebookthatcan’twait.”
Accordingtoavideopresentedwiththestory,thebookwas 【3】 .Thepublishersoldoutthe whole first edition(版) atabookstorethedayitwasprinted,andreceived“thousandsofrequests”formorecopiesofthebook.Italsogotalotofnewsreports.Asaresult,thepublisherisplanningtopublish  【4】kindsofbooksindisappearingink.
Insomeways,theideaisprettyclever.【5】,westillhavesome suggestions:
First,thebookshouldstartthe vanishing process afterthereaderfirstopensthebook.Ifthevanishinginkbooksbecomeverypopularinthefuture,readerswillneedtoreadthemoneatatime.Theydon’twanttheirbookstovanishbeforetheyreadthefirstpage.
Second,thevanishedbookshouldfinda 【6】  use.Maybetheycanbe recycled,ormaybewecanusethemasnotebooks.Itwouldbeamore environmentally friendlywaytodothis.