Mary is digging in the ground for a photo, when along comes John. Seeing that there is no one in sight, John starts to scream. John’s angry mother rushes over and drives Mary away. Once his mum has gone, John helps himself to Mary’s potato.

We’ve all experienced similar annoying tricks when we were young—the brother who stole your ball and then got you into trouble by telling your parents you had hit him. But Mary and John are not humans. They’re African baboons(狒狒). __1._

John’s scream and his mother’s attack on Mary could have been a matter of chance, but John was later seen playing the same tricks on others. ___2.___

Studying behavior like this is complicated but scientists discovered apes(猿) clearly showed that they intended to cheat and knew when they themselves had been cheated. ___3.___ An ape was annoying him, so he tricked her into going away by pretending he had seen something interesting. When she found nothing, she “walked back, hit me over the head with her hand and ignored me for the rest of the day.”

Another way to decide whether an animal’s behavior is deliberate is to look for actions that are not normal for that animal. A zoo worker describes how an ape dealt with an enemy. “He slowly stole up behind the other ape, walking on tiptoe. When he got close to his enemy, he pushed him violently in the back, then ran indoors.” Wild apes do not normally walk on tiptoe. ___4.__ But looking at the many cases of deliberate trickery in apes, it is impossible to explain them all as simple copying.

It seems that trickery does play an important part in ape societies. ____5.__ Studying the intelligence of our closest relative could be the way to understand the development of human intelligence.

A. In most cases the animal probably doesn’t know it is cheating.

B. An amusing example of this comes from a psychologist working in Tanzania.

C. And playing tricks is as much a part of monkey behavior as it is of human behavior.

D. So the psychologists asked his colleagues if they had noticed this kind of trickery.

E. The ability of animals to cheat may be a better measure of their intelligence than their use of tools

F. This use of a third individual to achieve a goal is only one of the many tricks commonly used by baboons.

G. Of course it’s possible that it could have learnt from humans that such behavior works, without understanding why.

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With more and more cars come into our families, we are happy that it has greatly improved our life. But unlucky, it has also brought many problems, such heavy traffic and traffic accidents.

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We can say cars are coming into our life, but only when everybody thought traffic safety is his or her business can we be safe driving on roads and walk on sidewalks.

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B. famous person from Picasso

C. freedom fighter in Picasso

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The Biggest Challenge I’ve Ever Met

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– The film Tiny Times 3 is being discussed widely these days.

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The easy way out isn't always easiest. I learned that lesson when I decided to treat Doug, my husband of one month, to a special meal. I glanced through my cookbook and chose a menu which included homemade bread. Knowing the bread would take time, I started on it as soon as Doug left for work. As I was not experienced in cooking, I thought if a dozen was good, two dozen would be better, so I doubled everything. As Dong loved oranges, I also opened a can of orange and poured it all into the bowl. Soon there was a sticky dough (面團) covered with ugly yellowish marks. realizing I had been defeated, I put the dough in the rubbish bin outside so I wouldn't have to face Doug laughing at my work, I went on preparing the rest of the meal, and, when Doug got home , we sat down to Cornish chicken with rice . He tried to enjoy the meal but seemed disturbed. Twice he got up and went outside, saying he thought he heard a noise. The third time he left, I went to the windows to see what he was doing. Looking out, I saw Doug standing about three feet from the rubbish bin, holding the lid up with a stick and looking into the container. When I came out of the house, he dropped the stick and explained that there was something alive in out rubbish bin . Picking up the stick again, he held the lid up enough for me to see. I felt cold. But I stepped closer and looked harder. Without doubt it was my work. The hot sun had caused the dough to double in size and the fermenting yeast (酵母)made the surface shake and sigh as though it were breathing. I had to admit what the 'living thing 'was and why it was there. I don't know who was more embarrassed(尷尬)by the whole thing Doug or me.

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A. to tell an interesting experience

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C. to describe the trouble facing a newly married woman

D. to explain the difficulty of learning to cook from books

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A. She didn't see the use of keeping it

B. She meant to joke with her husband.

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B. The strange-looking marks.

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