【推荐3】阅读下面材料，根据其内容写一篇60词左右的内容概要。

Only three percent of water on Earth is fresh water and the majority of it exists in the forms of glaciers（冰川）and the polar ice caps. This leaves most people on Earth to depend on rivers, lakes, and groundwater. These water resources are becoming subjects of increasing problems.

At one time, there was not a great deal of attention paid to water resources for humans. In modern times, however, people are beginning to realize that the subjects cannot be ignored. Experts foresee problems for much larger portions（部分）of the population in the future if prevention measures are not taken.

There are a number of things that are responsible for the present water problems. Pollution, climate change, and urbanization（城市化）are a few of the common examples.

Climate change is affecting resources by causing rivers and lakes to dry up. Many of these water resources have been used for centuries to support household and agricultural uses.

Urbanization affects water resources because many cities are growing, but their water supplies are not. More people living in one place means that the water requirements in that place are greater. Unfortunately, it is not a choice to make limitless supplies of water available to them.

Pollution involves（涉及）people dirtying their water resources. Dealing with pollution often is not simple. In some cases, even when it is technically possible, there is a lack of resources to do so.

Saltwater sources can in some cases be used as water resources. This is done by way of a process known as desalination（脱盐）.This is an expensive process, so it is not generally promoted as a solution for water problems.

Much effort is being invested（投入）by governments and civil society organizations to make people aware of the issues surrounding water resources for humans. Tips and solutions often are offered to educate people on how to change their habits. It is generally believed that sustainable solutions much include the efforts of all levels of society.

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【推荐1】为了减少食物浪费，中国最近开展了“光盘行动”，假如你是某校学生李华，请以“Against Food Waste”为题写一篇120字左右的短文，拟发表在学校网站英文版上。内容包括：
1. 就餐浪费现象描述：（如：据报道，每年全国餐馆被倒掉的食物估计可养活 2 亿人）；
2. 就餐浪费的原因；
3. 提出你的倡议。
（词汇提示：光盘行动 “Eat up All on the Plates” campaign）

Against Food Waste

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【推荐2】你校将举办题为“Let’s save food”的英语征文比赛。请你写一篇短文参赛，主要内容包括：
1.简述浪费粮食的现象；
2.节约粮食的意义；
3.发出倡议。
注意：1.写作词数应为80左右：
2.请按如下格式在答题卡的相应位置作答。

Let’s save food

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