Question

We usually believe what our brain tells us, but there are some amazing facts which show that the brain tricks us. As a result, we think we can see something that is not actually there or we ignore（忽视）things that actually are there.

Scientists Daniel Simons and Christopher Chabris have researched this phenomenon（现象）, which they call “change blindness”. Their experiments show how we sometimes just do not see what is in front of our eyes because                     .

Here is one of their most famous experiments. In this experiment, the participants（参与者）were shown a video of two groups of people (one group in white T-shirts and one group in black T-shirts) who passed basketballs around in a hallway. Each group had three members. Simons and Chabris asked the participants to count how many times the white team passed the ball. While the two teams were passing their balls around, a person dressed up as a big bear walked through the group and stopped to look at the camera. Simons and Chabris found that about half of the research participants did not notice the big bear.

1.What do Daniel Simons and Christopher Chabris do?

A. Scientists.

B. Astronauts.

C. Engineers.

D. Directors.

2.How many people did the experiment need in the video?

A. Three.

B. Four.

C. Six.

D. Seven.

3.What percentage of the participants noticed the big bear? 

A. Less than 25%.

B. About 50%.

C. About 75%.

D. Almost 100%.

4.Which is the most suitable to complete the last sentence in the second paragraph?

A. we are not interested in it

B. we are too confident to see it

C. we are depending on other people 

D. we are paying attention to watching something else 

Answer

1.A

2.D

3.B

4.D

【解析】

试题分析：本文讲述了一种特殊的大脑感知现象：变化盲视现象：人们看到不存在的事物或是忽视存在的事物的大脑“欺骗”人的现象。并讲述了著名的变化盲视实验。

1.A 细节理解题。题意：Daniel Simons和Christopher Chabris是做什么的？A. Scientists.科学家；B. Astronauts.宇航员；C. Engineers.工程师；D. Directors.导演。由第二段的第一句：Scientists Daniel Simons and Christopher Chabris have researched this phenomenon。可知，他们是科学家。故选A。

2.2】D 推理判断题。题意：实验视频中需要多少人？A. Three.三；B. Four.四；C. Six六；D. Seven.七。根据最后一段，需要两个组，每组三人，另一个穿成大熊的人。共七个，故选D。

3.3】B 细节理解题。注意到这只大熊的人占多大比例？A. Less than 25%不到25%；B. About 50%.大约50%；C. About 75%.大约75%；D. Almost 100%.差不多100%。根据短文最后一句：Simons and Chabris found that about half of the research participants did not notice the big bear.可知他们发现大约一半的人没有注意到这只熊。故选B。

4.4】D 推理判断题。题意：哪一句最适合完成第二段最后的句子？A. we are not interested in it我们对此不感兴趣；B. we are too confident to see it我们太自信了看不到；C. we are depending on other people我们依赖于别人； D. we are paying attention to watching something else我们正注意看其它事物。句意：Their experiments show how we sometimes just do not see what is in front of our eyes because他们的实验显示有时因为我们注意着其它东西而没有看见我们眼前的东西。根据句意可以分析出本题选D。

【考点定位】 考查科普类短文阅读。