题目内容
11.It may seem crazy when you watch your dog bury his bone,only to dig it up a day or two later.(36)DIt is simply in their nature.For thousands of years,dogs have buried their bones.The practice itself started long before dogs were even pets when their ancestors(祖先) had to bury bones to survive.(37)FIf they were able to find meat and bones,dogs became very protective of them.To keep other dogs and animals from stealing their meat and bones,dog would bury them in the ground.When it was time for the next meal,they would dig their bones and enjoy them again.
Although most dogs have plenty of food to eat today,their instincts(直觉) still tell them to bury their bones.Some dogs hide more than one at once,burying one and digging up another.(38)BSo how do dogs decide where to bury their bones?A dog can't just bury a bone anywhere.(39)AThis involves using his nose to sniff(嗅) out a spot that is free from predators(捕食动物).Often it is near a tree or a large rock.Once the dog finds the satisfying spot,he uses his front paws(爪) to dig the hole,drops in the bone and cover up the hole to protect his treasure.(40)G
Thankfully,dogs have an excellent sense of smell.A dog can smell a bone though it has been buried for years.Dogs can find their bones buried by themselves as well as by other dogs.to the dog,whatever he finds is a treasure.
A.He must first find the perfect spot.
B.This can leave a background full of holes and bones.
C.Dogs use their nose to find a spot to bury their bones.
D.But there is actually a reason behind why dogs bury their bones.
E.Therefore,it's the dogs'instincts that tell them to bury their bones.
F.When dogs lived in the wild,sometimes there was not enough food.
G.Unfortunately,sometimes dogs do not always remember where a bone is buried.
分析 本文属于说明文阅读,作者通过这篇文章主要向我们描述了狗喜欢挖洞和埋骨头的行为的由来和具体方式.
解答 36.D.推理判断题.根据后文It is simply in their nature.For thousands of years,dogs have buried their bones可知事实上狗为什么会埋骨头是有原因的;故选D.
37.F.推理判断题.根据前文The practice itself started long before dogs were even pets when their ancestors(祖先) had to bury bones to survive可知当狗生活在野外,有时没有足够的食物;故选F.
38.B.推理判断题.根据前文Some dogs hide more than one at once,burying one and digging up another可知它们挖洞埋骨头的行为导致了充满骨头和洞穴的土地;故选B.
39.A.推理判断题.根据后文This involves using his nose to sniff(嗅) out a spot that is free from predators(捕食动物).Often it is near a tree or a large rock.Once the dog finds the satisfying spot可知他必须首先找到完美的地点挖洞;故选A.
40.G.推理判断题.根据后文Thankfully,dogs have an excellent sense of smell.A dog can smell a bone though it has been buried for years可知不幸的是,狗总是忘记骨头埋在哪里;故选G.
点评 七选五阅读是完成性阅读,和完形填空很类似,不同的是一个选词,一个选句子.解题时,要注意上下文语境,充分考虑信息词(选项中和空格前后句子中相同或相近的词),选出最符合语境的句子.