;语篇;;;21.Whereisthistextprobablytakenfrom?
A.Atextbook. B.Anexampaper.
C.Acourseplan. D.Anacademicarticle.
22.Howmanypartsisastudent’sfinalgrademadeupof?
A.Two. B.Three. C.Four. D.Five.
23.Whatwillhappenifyousubmitanessayoneweekaftertheduedate?
A.Youwillreceiveazero. B.Youwilllosealettergrade.
C.Youwillbegivenatest. D.Youwillhavetorewriteit.;
21.C语篇类型题。由文章标题“GradingPoliciesforIntroductiontoLiterature(文学导论课评分办法)”及文章内容可知，本文应当是教师课程计划中的部分内容，因此本文可能出自课程计划(courseplan)，故选C项。A项“一本教科书”；B项“一份试卷”；D项“一篇学术文章”，均不符合要求。
22.B细节理解题。由文章第二至第四个小标题“Essays(60%)”“GroupAssignments(30%)”和“DailyWork/In-ClassWritingsandTests/GroupWork/Homework(10%)”可知，学生的期末成绩由三部分组成，故选B项。
23.A细节理解题。由“LateWork”部分第二句“Ifitisnotturnedinbythe4thdayaftertheduedate,itwillearnazero.”可知，若在迟于截止日期的第四天提交论文，此次论文为零分。因此，如果在截止日期后一周才提交论文，你将会得零分，故选A项。;;Likemostofus,Itrytobemindfuloffoodthatgoestowaste.Thearugula(芝麻菜)wastomakeanicegreensalad,roundingoutaroastchickendinner.ButIendedupworkinglate.Thenfriendscalledwithadinnerinvitation.Istuckthechickeninthefreezer.Butasdayspassed,thearugulawentbad.Evenworse,Ihadunthinkinglyboughtwaytoomuch;IcouldhavemadesixsaladswithwhatIthrewout.
Inaworldwherenearly800millionpeopleayeargohungry,“foodwastegoesagainstthemoralgrain,”asElizabethRoytewritesinthismonth’scoverstory.It’sjaw-droppinghowmuchperfectlygoodfoodisthrownaway—from“ugly”(butquiteeatable)vegetablesrejectedbygrocerstolargeamountsofuneatendishesthrownintorestaurantgarbagecans.
Producingfoodthatnooneeatswastesthewater,fuel,andotherresourcesusedtogrowit.Thatmakesfoodwasteanenvironmentalproblem.Infact,Roytewrites,“iffoodwastewereacountry,itwouldbethethirdlargestproducerofgreenhousegasesinth