I'm going to Las Vegas.
There are seven colors of rainbow: red, orange, yellow, green, blue and purple. The wet earth and foggy air after the rain show the magnificence, magic and mystery of nature, and show the elegance and peace of the world! Seven colors make up all the scenery in the world.
3. There are seven days in a week.
The abacus has seven beads, and the guqin has seven strings.
5. The "Big Dipper" in China traditional culture.
6. Seven points on the back of ladybug.
7. The sum of the points on both sides of the dice is 7.
8. China's Tang poems: Seven-character quatrains, Seven-line quatrains, Seven-line quatrains and Seven-character poems are beautiful.
9. Chemical PH=7, indicating neutrality. The PH value of pure water is 7. The PH value of the water we use in our daily life is close to 7.
10. In the funeral tradition in China, people will die every seven days from the day they die. The first seven, two seven, three seven ... seven seven.
1 1, Tanabata is another phenomenon of digital worship. In ancient times, people listed the seventh day of the first month, the third day of March, the fifth day of May, the seventh day of July and the ninth day of September as auspicious days, which, together with the multiples of February 2 and June 6, indicated double.
? "Seven" and "wife" are homophonic, so Qixi has largely become a festival related to women.
"Seven" is homophonic with "auspiciousness", and "July 7th" has a double auspicious meaning, which is an auspicious day. In Taiwan Province Province, July is called "Joy brings good luck" month. Because the happy character in cursive script looks like "seventy-seven", 77 years old is also called "Happy Birthday".
At midnight on Chinese Valentine's Day, if someone walks down the street in white, he/she steps backwards and bumps into someone. If he/she is of the same sex, then he/she is your past life. If he/she is of the opposite sex, then he/she is your destiny takes a hand lover ~
The seven-year itch is a marriage phenomenon, which refers to getting married after falling in love. When marriage enters the seventh year, with the familiarity of husband and wife, romance and chic disappear with the pressure of life, and marriage enters the first dangerous period.
12. In the traditional culture of China, seven is the sum of yin and yang and five elements.
13, seven dwarfs in western fairy tales and seven fairies in China.
14, "777" lucky combination and "2 1" point game on casino slot machines.
15, the word "seven" in the Bible:
(1) Genesis Chapter 1: God created the universe and everything in one week. On the sixth day, man was created (26-29), and the seventh day was designated as the Sabbath.
(2) The seventh grandson of Adam was the first person to ascend to heaven (Gen 5: 24, Lai 1 1: 5).
(3) Noah's Ark: The number of animals he brought into the Ark was "seven males and seven females" (Gen. 7: 2-4).
(4) Seven is the word with the highest frequency in the Bible. "Seven" symbolizes perfection in the Bible. "Seven" is a mental number!
16, scientists think 7 is the most special number. It is also found that in the calculation, 7 divided by 1, 2, 3, 4, 5, 6, respectively, are infinite cycle decimals. For example:1÷ 7 = 0.142857 ... 2 ÷ 7 = 0.285714 ... 3 ÷ 7 = 0.42575438+0 ... 4 ÷.
Observing the above calculation results, we found many interesting places: 1, and the cycle node of the decimal part is in the seventh place. 2. The decimal number will not change, but the position will be exchanged.
Also, all numbers between adjacent multiples of 7 add up to multiples of 7, for example:1+2+3+4+5+6 = 2136+37+38+39+40+41= 231.
17, 7 colors are suitable for human eyes to distinguish;
? The syllable suitable for human ears to distinguish is 7;
? The theoretical life span of human is seven times that of its developmental period: 16 ~ 17 years (1 10 ~ 120 years);
? The upper limit of the optimal number of memory cells is 7;
? 7 hours of sleep every day is the most suitable sleep time for the human body;
The rhythm of people's habitual thinking is 7, such as seven laws of ancient poetry, seven quatrains and Shakespeare's sonnets;
[People should pay special attention at the beginning or end of the rhythm of 7, which is prone to accidents or extreme situations, such as not using eyes frequently and repeatedly between red and blue backgrounds; Listening with your ears should avoid switching back and forth between different whole intervals; Pay special attention to the physical changes of 16 ~ 18 years old (sexual maturity), 23 ~ 25 years old (skeletal maturity) and 30 ~ 32 years old (gonadal maturity). Adjust the work cycle, fatigue cycle and emotional cycle to avoid the rhythm close to 7. ]
? The physiological cycle of women is 7 days, so we should pay attention to adjusting the work life cycle;
? Full-term refers to pregnancy in 10 month, with 7 days as a week and 4 weeks as 1 month, so the total * * * is 280 days, only 37 weeks, that is, 37 weeks (including 37 weeks).
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