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单选题 公共英语二级
2018-01-25

What is Jessamine´ s special ability?

A.Making people fall in love.
B.Staying away from dangers.
C.Turning dreams into reality.
D.Knowing events in advance.

参考答案

D

答案解析

细节题。题干意为“贾丝明的特殊能力是什么?”从文章第一段第二句“Now she has anotller ability-she 6nds herself forced to print out such calligraphy of events before they happen.”可知,贾丝明可以在事件发生之前促使事情发生。故D正确。

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A.Exciting.
B.Interesting.
C.Practical.
D.Valuable.
A.Students' reading habits.
B.The knowledge of poetry.
C.DeFelice' s skilful use of language.
D.The friendship between Jessamine and Callie.
3 根据下面资料,回答题。
why can you look at an object in the real world and see it as a three-dimensional(三维的)object, but if you see that same object on a television, it looks flat? what´ s going on, and how does 3-D technology get around the problem?
It all has to do with the way we see objects. When the light that travels to an object is sent bacck to our eyes, our brains understand the light and make up a picture in our minds. When an ob-ject is far away, the light travelling to one eye is parallel(平行的) with the light travelling to the other eye. But as an object gets closer, the lines are no longer parailel--they move toward the same point where they join. You can see this effect if you try to look at something fight in front of your nose--you´ ll get a lovely cross-eyed expression.
when you look at an object, your brain measures the effort your eyes make to focus on the object as well as how much they had to gather the light to the same point. Together, this informa-tion allows you to guess how far away the object is. If your eyes had to gather the light with quite a big effort, then it stands to reason that the object is close to you.
The secret to 3-D television and films is that by wearing a special pair of glasses and by show-ing each eye the same picture in two different places, you can make your brain think that the flat picture you´ re seeing has depth. But this actually doesn´ t match up the way we see real objects.
While your eyes may gather two images(形象) that seem to be one object right in front of you,they´ re actually focusing on pictures further away. This is why your eyes get very tired if you try to watch too many 3-D movies in one sitting.
What makes us see an object in the real world as three-dimensional?
A.The shape of the object.
B.The way our eyes work.
C.The area the object covers.
D.The sharpness of our mind.