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Lesson 5 of the first semester of the fifth grade "Mountain Picker" - Feng Jicai.
Lesson 6 "My Uncle Mr. Lu Xun" - Zhou Ye.
Lesson 7 "Sorghum Love" - Niu Han.
I'm in the first semester of fifth grade, so I know.
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A text on sorghum love writes about the bitterness, root and aerial root characteristics of sorghum.
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Write an essay on things.
The first category writes about things at home.
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Cherish water resources.
When I first saw the sea, it was still very small, and I was amazed by the vastness of the sea, and a concept naturally arose in my mind: water is endless, inexhaustible, and inexhaustible.
Indeed, in people's impressions, water is everywhere and serves people's production and life. It is the blood of industry, the lifeblood of agriculture, and the most indispensable assistant in life. In short, water is a precious treasure that we rely on for survival, and according to the survey, the earth we live in also has an alias called "water ball", as the name suggests, our earth is full of water. But 97 percent of this water is seawater, and half of it is in the inland sea and salt lakes.
The root of fresh water is rain and dew, and only 10,000 cubic meters of water fall to the land every 49 years, and 2 3 of them are transpired by plants or evaporated by the ground, and only 1 3, that is, 10,000 cubic meters of water can be used by human beings.
Is this little water enough for us? The answer is no.
In this case, why do people always turn a blind eye when they see the tap water flowing "rattling" and are reluctant to take a step forward and turn off the tap? Why is it that when some people throw garbage into rivers, seas and lakes, they can't imagine how polluted the water is? Why don't people feel sorry when industrial sewage flows into rivers, seas and lakes and sees the originally clear water turn into sewage?
Why when...
In fact, human beings are now slow to commit suicide, they do not regret polluting and wasting water resources, but how precious water is! If we don't cherish water now, water will be as precious as oil in the future.
Therefore, we need to do a good job in water recycling. Using a natural desalination device to desalinate seawater is environmentally friendly and cost-effective. The problem of water source is solved, how to use it?
People should invent more water-saving products such as "electrolyzed water molecular washing machine", "electrolyzed water molecular washing machine" uses the principle of electrolysis of water molecules, so that the oxygen atoms in the water molecules absorb the booty in the clothes, and the electrolyzed hydrogen atoms can be used as fuel for environmentally friendly cars, which does not damage the clothing fibers, but also provides power energy for the car, and also does its best for the cause of environmental protection, why not?
Although there are many water-saving products now, the most important thing is to rely on people themselves – not to waste, not to pollute water resources, so that water resources can be better protected.
Yes! Wake up! If we don't cherish water resources, the last drop of water that will fall on the earth in the future will be our own tears.
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