考试试题
Trialanderrorarethesourceofourknowledge.
Whichofthefollowingisanexampleofthethird
Somepeoplethinkmoreofanimalsthanwillofch
Americanswhoconsiderthemselves______inth
Theunderlinedword"reside"inParagraph1isc
Theydidconsiderableworkto______themasses
IfeelasifIamgoingtofall.
Contrarytopopularbelief,assumptionthatwe
Withoutthefrictionbetweentheirfeetandthe
Nuclearpower,withallitsinherentproblems,
Theoldladywassufferingfromtheemptynestsy
Thereareactuallytoomanyopportunitiestole
Hisheavydrinkingandfondofgamblingmakeshi
Accordingtosomescientists,thecomputerwil
Thiscolorlessgasiscalledoxygen,whofiresb