英语帮助完填完形填空Modern zoos are very different from zoos that were

英语帮助完填
完形填空
Modern zoos are very different from zoos that were built fifty years ＿46＿ At that time,zoos were places ＿47＿ people could go to see animals from many parts of the world.The animals lived in cages that were made?＿48＿ concrete with iron bars,cages that were easy to keep clean.
＿49＿ for the animals,the cages were small and impossible to hide in.The zoo environment was ＿50＿ natural.＿51＿ 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 more natural habitats.The animals are given more ＿52＿ in large areas so that they can live more ＿53＿ as they would in nature.Even the appearance of zoos has changed.Trees and grass grow in the cages,and streams of water flow ＿54＿ the areas ＿55＿ animals live in.
46
单选题
A.later
B.ago
C.before
D.after
47
单选题
A.which
B.that
C.when
D.where
48
单选题
A.up of
B.into
C.of
D.for
49
单选题
A.Unfortunately
B.Successfully
C.luckily
D.Unusually
50
单选题
A.only
B.anything only
C.but
D.anything but
51
单选题
A.Despite
B.Since
C.Now that
D.Although
52
单选题
A.freedom
B.food
C.drink
D.dependence
53
单选题
A.silently
B.comfortably
C.difficultly
D.independently
54
单选题
A.over
B.through
C.for
D.below
55
单选题
A.that
B.where
C.when
D.these

46.B
47.D
48.C
49.A
50.D
51.D
52.A
53.B
54.B
55.B
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