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The mystery of the Three Gorges ape cry has been solved.

Since there is no trace of apes in the Three Gorges of the Yangtze River today, the academic community has been interested in it for more than 1,200 years.

There is a debate about the Three Gorges ape cry written by the former famous poet Li Bai: whether the Three Gorges of the Yangtze River has ever been in history.

Gibbons are present? Negative advocates believe that the ecological environment on both sides of the Three Gorges is not suitable for gibbons at all.

Even in the densely forested Shennongjia, there has been no record of gibbons since ancient times, "ape."

sound" should be "monkey sound". In 1986, he was a researcher at the Institute of Paleovertebrate and Paleoanthropology, Chinese Academy of Sciences.

Huang Wanbo found a piece in the big foot hole near Taiping Village in Wushan County at an altitude of more than 1,100 meters.

The lower gum of a mammal, which is not petrified, has been studied and identified as the lower left gum of a gibbon.

In recent years, the archaeology and art history laboratory of the University of Oxford, England, has dating these skeletons.

Ming, the stratum containing the lower gums of gibbons is about 290 years old, which indicates that gibbons were still haunting the Three Gorges area until more than 290 years ago. Experts believe that the reason why the ape is extinct in the Three Gorges is and.

It is related to human deforestation.

Answer: 1. The ape cries and lives.

2. The Three Gorges ape cry is not a cross-strait cry.

3, Li Bai didn't call the monkey cry an ape cry.

Personally, I think that Li Bai may not be able to distinguish whether he is an ape or a monkey very clearly, and the so-called purpose is to create an artistic conception.

These are the mysteries of the world...

"Between the white emperor and the clouds, thousands of miles of Jiangling will be returned in one day. The apes on both sides of the strait could not stop crying, and the light boat had already crossed the ten thousand mountains. Li Bai's quatrain, which is full of scenes and colors, expresses the poet's relaxed and happy mood, and also reflects the state of the light boat.

With the spread of this poem, some people began to study the "unstoppable" ape sound on both sides of the Three Gorges - why "the ape on both sides of the strait can't stop crying"?

A few years ago, British scientist Pol Jetin finally uncovered the secret of the ape's cry by going to the tropical jungle for field research and measuring it with instruments.

Every morning, when the first rays of sunlight hit the treetops, the gibbon's morning chorus breaks the silence of the forest, with the male leading the singing, followed by the female a few minutes later, and it doesn't end until the sun rises. After breakfast, the chorus continued.

Pol Jetin found that ape cries were associated with their "monogamous" "family life". Generally, apes give birth to progeny apes every two or three years, and the apes do not begin to live independently from their parents until they are seven or eight years old. In order to court, the mature male ape will keep making a courtship cry until the neighboring female ape hears the sound and enters his territory to marry him and start a family.

There is also a rule in the family: immature male apes are not allowed to cry alone at home, so as not to attract the opposite sex. Of course, when the "parents" are not at home, the male ape will sometimes secretly call a few times.

After the establishment of the family, the female ape will still cry constantly, not only to defend the family territory and maintain monogamy, not to be violated by others, but also to call for the ape to leave the house.

In addition, people have also figured out that the Three Gorges of the Yangtze River did have gibbon activities in that historical period, but not on the "two banks", but on the "south bank".

Answer: 1. The ape cries and lives.

2. The Three Gorges ape cry is not a cross-strait cry.

3, Li Bai didn't call the monkey cry an ape cry.

16 What is the purpose of quoting Li Bai's poem at the beginning of the article?

played the role of (leading to the following) (early White Emperor City).

A test question analysis: "Notes on the Book of Water" is very rich in content, it takes the waterway as the key, and describes the ancient and modern history, geography, economy, politics, culture, social customs, and historic sites of the area through which the river flows in as much detail as possible, which occupies an important position in the history of ancient geography in China and has high scientific value. So choose A.