CLOZE　 [15 MIN.]

Decidewhichofthechoicesgivenbelowwouldbestcompletethepassageifinsertedinthecorrespondingblanks. Markthebestchoiceforeachblankonyouranswersheet.
Weallknowthatamagiciandoesnotreallydependon“magic” toperformhistricks， 　31　 onhisabilitytoactatgreatspeed. 　32　， thisdoesnotpreventusfromenjoyingwatchingamagician　33　 rabbitsfromahat. 　34　 thegreatestmagicianofalltimewasHarryHoudiniwhodiedin1926. Houdinimasteredtheartof　35　. Hecouldfreehimselffromthetightestknotsorthemostcomplicatedlocksinseconds. 　36　 noonereallyknows　37　 hedidthis， thereisnodoubt　38　 hehadmadeaclosestudyofeverytypeoflockever　39　. Helikedtocarryasmallsteelneedle-liketoolstrappedtohislegandheusedthisin　40　 ofakey. HoudinionceaskedtheChicagopolicetolockhiminprison. They　41　 himinchainsandlockedhimup， buthefreedhimself　42　 aninstant. Thepolice　43　 himofhavingusedatoolandlockedhimupagain. Thistimeheworenoclothesandtherewerechainsroundhisneck， waist， wrists， andlegs； butheagainescapedinafewminutes. Houdinihadprobablyhiddenhis“needle” inawax-like　44　 anddroppeditonthefloorinthepassage. 　45　 hewentpast， hesteppedonitsothatitstucktothebottomofhisfoot. Hismostfamousescape， however， was　46　 astonishing. Hewasheavilychained　47　 andenclosedinanemptywoodenchest， thelidof　48　 wasnaileddown. The　49　 wasdroppedintotheseainNewYorkharbor. InoneminuteHoudinihadswumtothesurface. Whenthechestwas　50　， itwasopenedandthechainswerefoundinside.

31.A. but　　　　　　　　　 B. then　　　　　　　　　 C. and　　　　　　　　　 D. however
32.A. GenerallyB. HoweverC. PossiblyD. Likewise
33.A. toproduceB. whoproducesC. produceD. howtoproduce
34.A. OutofthequestionB. ThoughC. ProbablyD. Undoubted
35.A. escapingB. lockingC. openingD. dropping
36.A. SurprisinglyB. ObviouslyC. PerhapsD. Although
37.A. whenB. whereC. howD. what
38.A. ifB. whetherC. astoD. that
39.A. inventedB. inventC. beinginventedD. inventing
40.A. useB. placeC. viewD. absence
41.A. involvedB. closedC. connectedD. bound
42.A. atB. byC. inD. for
43.A. ridB. chargedC. accusedD. deprived
44.A. candleB. mudC. somethingD. substance
45.A. AsB. UsuallyC. MaybeD. Then
46.A. overallB. allbutC. nolongerD. altogether
47.A. upB. downC. aroundD. in
48.A. itB. whichC. thatD. him
49.A. chestB. bodyC. lidD. chain
50.A. broughtupB. sunkC. brokenapartD. snapped