有关食物的英语演讲稿

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有关食物的英语演讲稿
good morning everyone, before my speech, i want to
ask one question, what do you eat this morning? yeah,
food is present in our life every time. so today my topic
is how do we eat on campus?
1，in china there is an old saying: bread is the
staff of life. the chinese meaning is 民以食为天。
obviously, it means food plays a decisive [di’saisiv]
role in our daily life, food safety is a matter of
primary [‘praim?ri] importance , the issue is closely
related to ordinary people’s health.
2, as we know, the food safety is a serious problem
in china, and on campus ,the matter is also exist, and
the unhealthy food harm our health everyday. for
example, in the morning, you buy a donut [‘d?un?t] for
breakfast, and likely, the donut is made by drainage
[‘dreinid?] oil; and when you hungry you buy kebab
[k?’b?b], it may be dealed with chemical materials.
so even on campus, we also should improve food safety
awareness.
3, the unhealthy food seriously harm our body, it
can cause different kinds of diseases, from a headache
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to cancer, this is not a threat, some unhealthy food,
containing various additives. and which give a
tremendous threat to us. some unhealthy food will make
us ill, such as diarrhea[,dai?’ri?]、stomach ache and
other disease of digestive tract. some food additives
use chemical materials to make food looks better, but
it will carcinogenic [,kɑ:sin?u’d?enik] in a long
time.
4, due to food safety is important in our life, so
there so many things waiting for the government to do.
(问1) first, strengthening food safety legislation
[,led?is’lei??n] , and use the experiences of
developed countries. strongly punish criminal for food
safety. second, our government should promote food
safety knowledge, to rise people’s of self- protection.
5, what is more, as a postgraduate, we also should
do more on food safety. first of all, we should learn
some essential common sense about safety food, and
learn to recognize the unhealthy food by ourselves.
( 问2) second，do not covet [‘k?vit] petty gain，in
normal situation, the food price is stable, when you
see a abnormal price, be carefull ! last, everyone
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should have awareness of unhealthy food, raise the
sense of prevention.
though the food safety situation is bad, but i still
believe through the joint efforts of government and all
communities, we finally will eat the security food .
有关食物的英语演讲稿 [篇2]
i’m a like eggs and eggs is very good for
me .it’s very coconut is a very sweet .i like them.
what about fruit?i like banana very always grows
in the warm area. it’s nice to eat, and it is good for
our healths. like us ,monkeys also like to eat bananas.
you can see this in the zoo.
they are really healthy and think you will like
them,too.
有关食物的英语演讲稿 [篇3]
I shall be speaking today about
Before we start our presentation, let’s take a
brief look at
If you give a diet to laboratory animalit’s very
common for animals to gain a good bit of weight when
given access to this diet. Even if they’re given healthy
food at the same time, they’ll tend to ignore the
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healthy food and eat a diet like this. And there are
two properties of this diet that help promote
overeating and obesity in laboratory animals. What
would you say the two features are?Sugar and is what
people usually guess first and that’s correct, fat is
number two, so you guys are good so far. Who can guess
what the third might be? Salt is a good guess, but that’
s not the answer. But why would a lab animal seek out
a diet, become very overweight, become nutritionally
deficient in some things because it’s not eating the
healthy foods to the extent that it becomes unhealthy?
The fact is those lab animals have a hard-wired
preference for foods that are high in fat and high in
sugar, primarily because of the energy density that
those foods bring to one, the seeking out fat and sugar
is a highly evolved, adaptive evolutionary trait of
animals and human.
Today we’re going to talk the two big ones that
people are usually concerned with: carbohydrates and
fat.
Let’s start with carbohydrates. Sugars, in other ’
re used by the body for pretty immediate are three
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classes of sugar: monosaccharides, disaccharides, and
polysaccharides. It’s not so important that you know
which sugars fall under each of these categories, but
it is important to know that there are different
categories of sugars. Under the monosaccharides,
glucose, fructose and galactose are the sugars.
Disaccharides, where you have several sugars paired
together, are maltose, sucrose, and the
polysaccharides are the complex carbohydrates, and
that’s starch, glycogen, and cellulose. If you look
at sources of these different carbohydrates, the
glucose comes from fruit. That’s not the only place
but that’s a primary source of it. You see the lactose
of course from milk, and then you get down to the
celluloseand starches,cereals and vegetables become
the primary source of these. Are we eating too much or
too little of these different classes of sugars? Well,
as you might guess, we eat too much of the si-mp-le
sugars and the disaccharide sugars and we eat too little
of the complex carbohydrates. So if you followed a diet
where you ate less junk food and ate more fruits and
vegetables, for example, just those two little rules
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you would help shift around this balance of sugars in
a way that would benefit health. There’s sugar in a
lot of foods where you don’t expect it. For example:
peanut butter. Here’s a list of ingredients from skippy
peanut butter and you see that sugar is the second most
common ingredient. Here’s another example. Beef stew,
you wouldn’t necessarily expect to find sugar in beef
stew but it’s there. Now it’s down the list of
ingredients, it’s actually toward the end, but if you
look at the marketing of this and look at the can it
says, there’s fresh potatoes and carrots, but actually
there’s more sugar in this than there is carrots.
Okay, let’s talk about fat for a moment. Fat has
twice the calories per unit weight as protein and
carbohydrate. So it’s a very efficient way of securing
energy. But if one is not deprived of calories,
then having fat my not be so helpful. There are
different kinds of fat that have different impacts on
health. Several concepts that are relevant in the
discussion of fat: cholesterol, saturation, and trans
fat. First of all, are different kinds of cholesterol,
HDL and LDL. It was a major discovery when scientists
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in the last century found that HDL is good and LDL is
bad, the HDL, that’s protective against things like
heart disease and you want to have a higher level of
that and a lower level of saturation is interesting.
You hear a lot about saturated fat and unsaturated fat.
As you know, unsaturated fat is healthy and you want
to have this in your diet. Trans fats have become a
really interesting issue. There are groups of people
who have studied the impact of trans fats on health for
a number of years. They have found that trans fats were
having a very negative impact on are trans fats? They’
re unsaturated fatty acids that get formed when foods
are partially hydrogenated. When you see that partially
hydrogenated oils on an ingredient list, that means
there’s trans fat. Why would companies do this? Why
would the food industry want to introduce trans fat in
the first place? Well, it changes the food in ways that
are commercially appealing for the industry. It gives
foods a longer shelf life. They tend to stay stable
during deep frying and then the palatability goes up
and the foods taste back to the concept that there are
good and bad fats, if we look at the left hand side here,
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is a table or a graphic showing the fats that tend to
have beneficial impacts on health. You have the
unsaturated fat. The seafood, olive oils and some nuts
are high in the unsaturated fats. So these kinds of rats
are not necessarily bad. The bad fats look like this,
and those are the saturated fats and the trans fat.
These bad fats raise the LDL levels, that’s not good
for you. And they lower trans fats that we mentioned
before that you can see listed over here from margarine,
shortenings, deep fried foods, a lot of fast foods and
baked goods have a negative impact on health as well.
So it’s important for the public health to change the
portioning of fat so you move from bad to the better
fats in the diets.




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