Whichoneisthetopicsentence? （1）The19th-centuryAmericanphilosopherHenryDavidThoreauwasfamousforsaying,“Simplify,simplify.”（2）Unfortunately,thetrendthesedaysseemstobe“complicate,complicate”instead.（3）Manypeopleareworkinglongerhours,spendingmoremoney,andgettinginmoredebtthaneverbefore.（4）Theyarealsorelaxinglessandspendinglesstimewithfamilyandfriends.However,thereisalsoacountertrend―atrendtowardvoluntarysimplicity.（5）Peopleinthevoluntarysimplicitymovementtakevariousstepstomaketheirlivesbothsimplerandmoreenjoyable.（6）Somepeopleworkfewhourseachweek.（7）Somemoveclosetotheirworkplacetoavoidalongdailycommute;theywalkorrideabike,instead.（8）Someplantavegetablegarden;thisgivesthemfreshair,exercise,andtimewiththeirfamilies—nottomentionorganicproduce.（9）Butallpeopleinthevoluntarysimplicitymovementtrytocutback—tobuyless;theycutuptheircreditcardsandstopbuyingunnecessaryitems.（10）Inshort,thepriorityinthevoluntarymovementistofollowThoreau’ssuggestion:simplify.

The excerpt “Simplify, simplify” is taken from “Civil Disobedience”.

“Ourlifeis______awaybydetail.Simplify,simplify.”ThatdictumofHenryDavidThoreau's,echoingfromthedaysofsteamboatsandox-drawnplows,hadlonghauntedme. A: frittered B: quenched C: reproached D: scouted

Simplify 表示化简

Simplify 表示化简 A: 正确 B: 错误

Karnaugh maps can be used to simplify Boolean expressions

simplify的词重音落在-y上。

The polynomial P can be simplified with the command: simplify(P).（）

How to state the important or main ideas of the original? A: to shorten phrases B: to reduce examples C: to simplify descriptions D: to simplify sentences E: to replace specific words with generic reference

18 A: simplify B: magnify C: minimize D: recognize