Unit 5 Water is life 单元话题语法填空练习（原卷版＋解析版）2024-2025学年七年级英语下册单元重难点易错题精练（沪教版2024）

Unit 5 Water is life 单元话题语法填空练习 基础语篇巩固练 The world is not hungry, but it is thirsty. It 1 (seem) strange that nearly 3/4 of the earth is covered 2 water while we say we are short of (短缺) water. Why Because about 97% of water on the earth is sea water which we can’t drink or 3 (use) for watering plants directly (直接地) . Man can only drink and use the other 3% of the water that comes 4 rivers and lakes. And we can’t even use all of that, because some of it is 5 (pollute). Now more water is needed. The problem is: Can we avoid (避免) a serious water shortage later on First, we should all learn how 6 (save) water. Turn the tap off while 7 (brush) your teeth, washing your hands, doing the dishes, and so on. Second, we should find 8 the ways to reuse it. Scientists always make studies in the field. Today, in most large 9 (city) water is used only once and then runs to the sea or rivers. But it can be used again. Even if (即使) every large city reused 10 (it) water, still there would not be enough. From now on, everyone should save the water. 【答案】 1．seems 2．with 3．use 4．from 5．polluted 6．to save 7．brushing 8．out 9．cities 10．its 【导语】本文是一篇说明文，主要讲述了地球上的水资源现状以及如何应对水资源短缺的问题。文章指出，尽管地球表面大部分被水覆盖，但人类可用的淡水资源却非常有限。 1．句意：这似乎很奇怪，地球近3/4的面积被水覆盖，但我们却说我们缺水。全文时态是一般现在时，主语为“It”，谓语动词用三单形式。故填seems。 2．句意：这似乎很奇怪，地球近3/4的面积被水覆盖，但我们却说我们缺水。根据“ is covered ... water”可知，此处是固定短语be covered with表示“被……覆盖”，故填with。 3．句意：因为地球上97%的水是海水，我们不能直接饮用或用于浇灌植物。根据“can’t drink”可知，此处需用动词原形，故填use。 4．句意：人类只能饮用和使用来自河流和湖泊的另外3%的水。根据“comes...rivers and lakes”可知，此处指水来源于河流和湖泊，come from表示“来自”，固定短语故填from。 5．句意：我们不能使用所有这些水，因为其中一些被污染了。根据“it is”可知，主语是谓语pollute之间是被动关系，所以此处需用过去分词polluted表示被动，故填polluted。 6．句意：首先，我们都应该学会如何节约用水。根据“learn how...”可知，疑问词后跟不定式，此处需用动词不定式“to save”，故填to save。 7．句意：刷牙、洗手、洗碗等时关掉水龙头。根据“while...your teeth...”可知，此处省略了主语和谓语，所以需用现在分词，故填brushing。 8．句意：其次，我们应该找到再利用水的方法。根据“find...the ways to reuse it”可知，此处考查固定搭配find out表示“找到”，故填out。 9．句意：今天，在大多数大城市，水只使用一次，然后流入海洋或河流。根据“most ”可知，此处需用复数形式“cities”，故填cities。 10．句意：即使每个大城市都重复利用它的水，水还是不够用。空处修饰“water”可知，此处需用it的形容词性物主代词“its”表示“它的”，故填its。 Here are some facts about water in India. There are thousands of towns and cities in India, but only a few of 1 (they) have full treatment facilities (净化设备) to clean waste water 2 homes or factories. As a result, much water in rivers and streams 3 (be) polluted. Most ... ...