题目内容
13.Scientists (科学家) think that many animals cannot see colours.The world is black and white to them.Scientists want to find out if (是否) dogs can see colours.When the scientists give the dogs food,they show them a certain colour every time.The dogs get ready to eat when they see this colour.The scientists then show the dogs another colour.Again the dogs get ready to eat.The colours are all the same to them.Colours are not all the same to monkeys.For example,if we put food in a red box,and do this every day,a monkey will always go to the red box to get food.If we put food in a blue box,the monkey won't go to it.
49.The dogs get ready to eat when theyD.
A.hear different pieces of music
B.see the monkeys
C.see black things
D.see all the colours
50.Colours areD.
A.all the same to monkeys
B.not all the same to dogs
C.different to dogs
D.not all the same to monkeys
51.If we put food in a blue box and do this every day,a monkey will always go toC.
A.the red box to get food
B.the blue box and put food in it
C.the blue box to get food
D.the red box and put food in it.
分析 短文讲了科学家对动物能不能看到颜色做了一个实验.狗看到的颜色都是一样的.猴子看到的颜色是不一样的.
解答 答案:49.D 细节理解题.根据第一段第二行句子The dogs get ready to eat when they see this colour.The scientists then show the dogs another colour.Again the dogs get ready to eat.The colours are all the same to them.当它们看到这个颜色的时候,狗已经准备好了吃.然后科学家们给狗看另一种颜色,狗又准备吃,颜色对它们都一样.可知当它们看所有颜色的时候,狗都想吃.故选D.
50.D 细节理解题.根据第二段第一行句子Colours are not all the same to monkeys.颜色对猴子不一样.可知颜色对猴子不一样.故选D.
51.C 细节推理题.根据最后一段第一行句子if we put food in a red box,and do this every day,a monkey will always go to the red box to get food.如果我们把食物放在一个红色的盒子里,每天都这样做,猴子总是会去红色的盒子里取食物,可知如果我们把食物放在一个蓝色盒子,每天都这样做,猴子总是会去蓝色的盒子里取食物.故选C.
点评 在通读全文的基础上,根据全文大意,展开逻辑思维,瞻前顾后,认真观察选项,仔细推敲,确定最佳答案.
练习册系列答案
相关题目
1.A__________ is a person who catches fish,either as a job or as a sport.( )
| A. | fisherman | B. | cook | C. | farmer |