Since ancient times, pepper has been loved by people all over the world as a kind of food. Indians call it pepper.
For "red steak"
....
"Mexicans regard pepper as a national dish. Pepper is very popular in many places in China.
An important condiment, even without it, people can't eat it, which shows that people are interested in it.
(
zh
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Nigeria
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)。
②
Pepper contains a substance called capsaicin, which can stimulate the feeling of skin and tongue.
The areas that feel pain and heat make the brain feel hot and painful. Scientists are interested in growing up in Arizona, USA.
A wild pepper in the desert in the south of the state was studied to observe which animals feed on pepper. result
It is found that small mammals such as desert rats living nearby don't touch this spicy food at all, but eat Chili.
This is almost a patent for birds. The experiment shows that the seeds of pepper are digested and discharged after being eaten by small mammals.
Out, can hardly germinate. The digestive system of birds basically does not harm pepper seeds. Scientists realize that
Because, Chili peppers are hot because they need to protect themselves. Peppers don't want mammals to eat their fruits.
This is why capsaicin is produced in pepper fruit, which makes mammals who can't eat spicy food give up.
Birds, on the other hand, can't eat any spicy food at all. Their pain system is different from that of mammals. capsaicine
It can give them a refreshing feeling and relieve pain. So birds eat Chili just like chewing gum, and fruit
Pepper seeds in the fruit will be completely excreted through the intestines of birds and sown again and again.
(3) Many people are addicted to pepper. Why? This is because when the spicy taste of pepper irritates the tongue,
When nerve endings appear in the mouth, the nervous system of the body reflexively speeds up the heartbeat and secretes saliva and sweat.
The increase of gastrointestinal peristalsis and so on. At the same time, exciting stimuli will make the brain release endorphins, and then
After eating, the brain will think that there is pain coming, so it will release more endorphins. Endophilic proteins promote the brain.
The secretion of dopamine, another substance in the body. Dopamine is a kind of brain secretion, which is equivalent to a "prize" in human body.
The material basis of the excitation system is a substance similar to adrenaline, which can affect a person's mood.
Highly excited in a short time. So the hedonistic brain fever makes us addicted to spicy food, so that we smell it.
Strong spicy taste and urge to eat.
4 then,
Scientists have found that people who live in hot climates prefer to eat peppers.
Although people living in cold and humid areas are also suitable for eating Chili. This is because they know about peppers.
It can inhibit the growth of harmful bacteria in food and prevent food poisoning.
⑤ People in cold areas usually leave their food outdoors all night in order to inhibit harmful bacteria in food.
Can effectively inhibit the growth of harmful bacteria.
But people in hot areas not only don't have such climatic conditions,
And it is easy to breed all kinds of pathogens and parasites in hot areas. Through long-term
..
After research, the researchers finally
four
The conclusion is that pepper has a natural bactericidal effect-people eat spicy food and their body temperature rises sharply.
L, this can inhibit the reproduction of harmful bacteria in food and kill harmful bacteria.
⑥ Pepper was originally grown in tropical areas of Central and South America. Americans have been eating chilies for a long time.
Thanks to Columbus, peppers can spread all over the world. The explorer met this special person after discovering America.
Special food, and brought it back to Europe, peppers also spread all over the world. Pepper was introduced to China in the late Ming Dynasty.
About a few years ago
.
celebrity
A few years. This spice quickly became popular.
.
Travel all over China and enter people's daily diet. force
Unparalleled peppers have undoubtedly brought about a diet revolution, and it seems that no other traditional spices can compete with them.
Constant.
1.
According to the pinyin in brackets in the first paragraph, in "
"The word that should be filled in is
treasure
. (
1
Integral)
2.
According to paragraph (3), people are addicted to Chili peppers, except that the spicy taste causes their heart to beat faster and saliva to secrete.
The increase of sweat secretion and gastrointestinal movement is also related to
Release of endorphins
and
The secretion of dopamine
Related. (
four
Integral)
three
The sequence and content of the explanation in paragraph 6 are as follows
C
( 3
Integral)
A
, chronological order
People all over the world like to eat Chili.
B
, spatial order
It is not easy for pepper to be introduced into China from abroad.
C
, spatial order
People all over the world like to eat Chili.
D
, chronological order
It is not easy for pepper to be introduced into China from abroad.
four
Contact paragraphs ② and ④ below. "
"Should fill in the rhetorical question is:
Why are peppers spicy?
Where do residents prefer spicy food?
( 6
Integral)
5 .
(
1
Taking the words "red steak" and "about" added in the first two paragraphs as examples, from the perspective of explanatory language,
Talk about the language features of this article.
Comparing pepper to "red steak" vividly shows that pepper is popular; With the word "about",
It shows that the time when pepper was introduced into China is an estimated time, not an accurate time. The respective forms of two words.
The language of this paper is vivid and accurate.
( 6
Integral)
(
2
Taking the word "red" added in the sixth paragraph as an example, this paper discusses the beauty of the word "red" from the perspective of language interest.
The beauty of the word "red" lies in that it not only embodies the red color of pepper, but also renders the pepper that people like.
Prosperity enhances attractiveness.
( 2
Integral)