摘要：As is known to all, more than 70 percent of the earth is covered with water, but only a small part is fresh water that we can drin

以下是五篇有关节约用水和电的牛津英语七年级下册作文范文：

范文一：《Water Is Valuable》（《水是宝贵的》）

As is known to all, more than 70 percent of the earth is covered with water, but only a small part is fresh water that we can drink. So saving water is very important. We should remember to turn off the tap when we are not using it. We can also recycle water. For example, we can use the water we used to wash our faces to flush the toilet. In a word, water is valuable and we should not waste it or pollute it.

众所周知，地球70%以上被水覆盖，但只有一小部分是我们能饮用的淡水。所以节约用水非常重要。我们应该记得在不用水时关掉水龙头。我们也可以循环用水。例如，我们可以用洗脸水来冲厕所。总之，水是宝贵的，我们不应该浪费或污染它。

范文二：《How to Save Water at Home》（《如何在家节约用水》）

Water is very important for us. We use it to drink, cook and wash. But there isn't much water on the earth. So we need to save water at home. First, we can take a shower instead of a bath. Second, when we wash clothes, we can use the water to clean the floor later. Third, we should fix the dripping taps in time. If we all do these things, we can save a lot of water.

水对我们非常重要。我们用水来饮用、做饭和洗漱。但地球上的水并不多。所以我们需要在家节约用水。首先，我们可以用淋浴代替盆浴。其次，当我们洗衣服时，我们可以之后用这些水来拖地板。第三，我们应该及时修理滴水的水龙头。如果我们都做这些事情，我们可以节省很多水。

范文三：《Electricity in Our Life》（《我们生活中的电》）

Electricity is very important in our daily lives. It lights up our rooms, powers our TVs, and makes our fridges work. However, a lot of electricity is wasted every day. As middle school students, we can do many things to save electricity. For example, we should turn off the lights when we leave a room. We should also use energy - saving light bulbs. They can save a lot of energy in the long run. Saving electricity is not only good for our wallets but also important for protecting our environment.

电在我们的日常生活中非常重要。它照亮我们的房间，为我们的电视供电，让我们的冰箱运转。然而，每天都有大量的电被浪费。作为中学生，我们可以做很多事情来节约用电。例如，我们离开房间时应该关灯。我们还应该使用节能灯泡。从长远来看，它们可以节省大量能源。节约用电不仅对我们的钱包有好处，对保护环境也很重要。

范文四：《Ways to Save Electricity》（《节约用电的方法》）

Electricity plays a key role in our modern life. We can't imagine living without it. But we are facing the problem of wasting electricity. Here are some useful ways to save it. When using the air conditioner, set the temperature at a proper level, like 26℃ in summer. Also, unplug chargers and other small appliances when they are not in use. Besides, use natural light as much as possible during the day. Open the curtains and let the sunlight in instead of turning on the lights. If everyone takes action to save electricity, we can make our earth a better place.

电在我们的现代生活中起着关键作用。我们无法想象没有它的生活。但我们正面临着浪费电的问题。这里有一些节约电的有用方法。使用空调时，将温度设置在适当的水平，比如夏天26℃。此外，不用充电器和其他小电器时，拔掉它们的插头。除此之外，白天尽量使用自然光。打开窗帘，让阳光照进来，而不是开灯。如果每个人都采取行动节约用电，我们就能让我们的地球变得更美好。

范文五：《Save Water and Electricity》（《节约用水和用电》）

Water and electricity are both very important to us. We use water to drink, wash and cook. We use electricity to light our rooms, watch TV and run machines. But there are some people who waste water and electricity. We should stop doing that. We can save water by taking a shower instead of a bath and recycling water. We can save electricity by turning off the lights when we leave a room and using energy - saving appliances. Let's work together to save water and electricity and make our world a better place.

水和电对我们都非常重要。我们用水来饮用、洗漱和做饭。我们用电来照亮房间、看电视和运行机器。但有一些人浪费水和电。我们应该停止这样做。我们可以通过用淋浴代替盆浴和循环用水来节约用水。我们可以通过离开房间时关灯和使用节能电器来节约用电。让我们一起努力节约用水和用电，让我们的世界变得更美好。

来源：蒙古元素