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A phenomenon that must occur under certain conditions is called a necessary event.
A phenomenon that must not occur under certain conditions is called an impossible event.
Necessary and impossible events are collectively referred to as definite events.
Under certain conditions, there may be a phenomenon that may not occur, which is called a random event.
Let me give you 3 examples.
1。That's what you said, I'm a girl, it's an inevitable event, that is, it's a definite event at the same time.
2。The rotation of the sun is not an inevitable event, but because it is definitely wrong, it is a definite event.
3. The sun will rise tomorrow, which is not an inevitable event, nor is it a definite event, because, maybe today is the end of the world? Or whatever, rainy day -- it's a random event.
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The sun will definitely rise tomorrow, even if it's rainy or cloudy, the sun is there, but it's just blocked by clouds and water vapor! It's like tomorrow it's going to be light!
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What must happen is an inevitable event, what does not necessarily happen is a random event, what must not happen is an impossible event, the sun will rise tomorrow is a random event, it is not inevitable or certain, it is inevitable and definite is the same.
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It is a necessary event because it has been determined that it will happen.
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It's inevitable that something will happen.
Deterministic events refer to inevitable and impossible events.
The sun will rise tomorrow is an inevitable event in the event of certainty.
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Inevitably! The sun rises every day. It's just that if it rains, it's just that the clouds are in the way, and the sun still rises.
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It is a necessary event that it does exist and does not shift to the subjective thinking of people.
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Determine the event, as there is a chance that it will rain tomorrow or that it will be cloudy without the sun.
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The sun rises from the hail orange in the east" is an inevitable event, then the source of this event is a definite event, so the answer is: before the definite answer
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Summary. Hello, dear, the sun has just risen, and it is clear that the time of the incident is 7 o'clock in the morning. The sun just rose, about 7 o'clock; So the answer is: 7
The sun had just risen, indicating the time of the event.
Hello, dear, the sun has just risen, and it is clear that the time of the incident is 7 o'clock in the morning. The sun just rose, about 7 o'clock; So the answer is: 7
Extended Information: The sun rises at the end of the day; Sunrise, also known as the beginning of the sun, the dawn, the rising sun, etc.: refers to the time when the sun has just appeared and is rising.
05:00 to 07:00 Beijing time). From 5 a.m. to 7 a.m., it's the hour. As soon as the day dawns, the rabbit comes out of the nest and likes to eat the grass with morning dew, so it is called "Mao Rabbit".
Chenshi; Eating time, also known as morning food, etc.: the time of the ancients "morning food" is also the time to eat breakfast, (Beijing time 07 to 09 o'clock). From 7 a.m. to 9 a.m. in the morning, it is the time of the day.
At this time, a reed is suspicious of the town and easy to fog, the legend is that the dragon likes to soar the clouds and drive the fog, and it is worth the rising sun in the east, and it is thriving, so it is called "Chenlong". Due to the rotation of the earth at sunrise. But tomorrow's sunrise time will be different.
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1. "The sun rises in the west" is ( )a, uncertain event b, inevitable event c, impossible event d, none of the above.
Analysis: According to the probability of the occurrence of the event, you can judge the type "The sun rises in the west" will not happen, it is an impossible event Therefore, choose c Comments: This question examines the classification of events, and events are divided into inevitable events, random events, and impossible events according to the probability of their occurrence; The knowledge points used are:
An event that will not happen is called an impossible event
In the solar system, the earth not only revolves around the sun, and one revolution is a year, but the earth itself is also rotating, and one rotation is a blind day.
The direction of the earth's rotation is from west to east, because we humans live on the earth, we often do not feel this movement of the earth, but feel that all celestial bodies revolve around the earth from east to west.
The earth rotates once from west to east, and people on the earth think that the sun and other celestial bodies revolve around the earth from east to west, so people living on the earth always feel that the sun rises from the east and sets to the west when the earth rotates from west to east.
The sun does not always rise due east and set due west. There are only two days of the year, the spring and autumn equinoxes, when the sun rises due east and sets due west, not the rest of the year.
Most of our country is north of the Tropic of Capricorn, and the sun rises in the east and sets in the west depending on the season and latitude. Specifically, during the winter half of the autumn equinox to the spring equinox of the following year, the sun rises from south-east; During the summer half of the year from the spring equinox to the autumn equinox, the sun rises from north-east.
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According to the common sense of life, knowing that "the sun rises from the Dongqiao stove every day", there must be a good situation, and this is an inevitable event, so the probability of this event is 1
So the answer is:1
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Because the sun will still rise tomorrow, it's not a big deal, everything will pass so it's necessary to live well
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