IV.完型填空Example:Modern zoos are very different from zoos that

IV.完型填空
Example:
Modern zoos are very different from zoos that were __1__ fifty years ago.At that time,zoos were places __2__ people could go to see animals from many parts of the world.The animals lived in cages that were made __3__ iron bars,and were easy to keep clean.Unfortunately for the animals,the __4__ were small and impossible to hide in.The zoo environment was __5__ natural.__6__ the zoo keepers took good care of the animals and fed them well,many of the animals did not thrive; they behaved in strange ways,and they often became ill.
In modern zoos,people can see animals in __7__ natural habitats.The animals are given more __8__ in large areas so that they can live more __9__ as they would in the natural world.Even the appearance of zoos has changed.Trees and grass are planted in the cages,and streams of water are flowing __10__ the areas.
21.A.build B.built C.building D.been built
22.A.which B.that C.when D.where
23.A.from B.into C.of D.up of
24.A.cages B.zoos C.caves D.space
25.A.only B.anything only C.but D.anything but
26.A.Despite B.Since C.Now that D.Although
27.A.more B.less C.much D.very
28.A.freedom B.food C.drinks D.independence
29.A.silently B.comfortably C.easily D.dependently
30.A.across B.cross C.through D.below

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