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The Animals in Desert
Some desert animals can survive the very strong summer heat and dryness because they have very unusual camel,for example,can __51__an increase in the temperature of its body and its blood of addition,it can drink an enormous __52__ water at one time,then store sufficient water in its red blood cells and other parts of its body to supply its needs for two weeks or kangaroo rat,on the other hand,__53__ all the water it needs from water that it produces during ver,most animals need to __54__a fairly constant body temperature,and will die if it rises more then 5C.__55__,they need to find some way to avoid the strong can many animals either store or produce water in their bodies,as the camel and kangaroo rat __56__ they must find ways to __57__ water loss from their bodies to the lowest degree.
Because very few desert animals can survive the strong rays,the temperature,and the evaporation rate __58__ a typical summers day,most of them are active during the __59__ the sun has set does the desert come fully to night is relatively cool,and the darkness provides __60__,not only from the sun,but also from other animals and from the the coming of darkness is the signal __61__ the large majority of animals and insects to continue their search for water and morning comes,most of them seek __62__ go underground; nearly all find somewhere shady where they can avoid the sunrays.
For many kinds of insects,living in the desert is __63__ than for many desert plants,they have a waterproof skin which __ 64__ water loss by addition,some insects spend all or most of their life below ,for most of the year at least,there is __65__ wetness,and it is generally cooler than on the surface.
51.A)carry B)bear C)effect D)delay
52.A)amount B)number C)level D)sum
53.A)obtains B)consumes C)brings D)replaces
54.A)raise B)reject C) maintain D)regulate
55.A)However B)Again C)Instead D)Therefore
56.A)can B)may C)must D) need
57.A)quicken B)reduce C)lighten D)keep
58.A)in B)to C)of D)through
59.A)after B)since C) until D)before
60.A)prevention B)protection C)possession D)permission
61.A)for B)with C)from D)among
62.A)food B)shelter C)water D)work
63.A)easier B)better C)safer D)harder
64.A)causes B)changes C)prevents D)suffers
65.A)little B)plentiful C)thorough D)some
正確答案：51-55 BAACD
56-60 ABCAB
61-65 ABACD
