托福阅读练习.doc

Exampleone:,especiallyhumanbeings,havetheirpeculiarities,,entricities,eatsmud,feedsalmostcontinuouslydayandnightbutcan(5)livewithouteatingforlongperiods,andcanbepoisonousbutisconsideredsupremelyediblebygourmets?Forsomefiftymillionyears,entricities,,underrocksinshallowwater,monincool(10)wateronbothAtlanticandPacificshores,,rangingfromblacktoreddish-browntosand--shaped-hencetheirname-andbecausetheyaretypically(15)rockinhabitants,binedwithflexibility,,eatingdayandnight,equiescentandliveatalowmetabolicrate-feedingsparinglyornotatallforlongperiods,anismsthatprovidetheirfoodhave(20),,whenattacked,(25)willeviscerateandregenerateitselfifitisattackedoreventouched;?(A)Thereasonfortheseacucumber'sname(B)Whatmakestheseacucumberunusual(C)Howtoidentifytheseacucumber(D),theword"bizarre"isclosestinmeaningto(A)odd(B)marine(C)simple(D),whyistheshapeofseacucumbersimportant?(A)Ithelpsthemtodigesttheirfood.(B)Ithelpsthemtoprotectthemselvesfromdanger.(C)Itmakesiteasierforthemtomovethroughthemud.(D)"thisfaculty"inline20refertotheseacu