Unit 4 Section A 2a-2d 单词短语语法强化训练2025-2026学年人教版英语八年级下册

人教版英语八年级下册 Unit 4 Section A 2a-2d 单词短语语法强化训练 一、根据句意及首字母提示补全句子。 1. The d______ sea is a world full of strange and unknown creatures. 2. The s______ called Fendouzhe can dive to the deepest part of the ocean. 3. The Titanic r______ at about 3,800 metres under the sea. 4. Some whales can d______ more than 2,000 metres to find food. 5. There is still much we don’t know about the o______ depths. 6. The h______ of Mount Qomolangma is about 8,848.86 metres. 7. R______ are working hard to learn more about deep-sea life. 8. Many deep-sea animals have unusual a______ to live in the dark. 9. Some fish can create their own l______ to “see” in the deep sea. 10. We should protect the deep sea from r______ and pollution. 二、单项选择。 1. —Where does the deep sea begin?—It begins at ______ metres. A. 200 B.2,000 C. 3,800 D. 10,909 2. China’s Fendouzhe is a ______ that can dive very deep into the ocean. A. Plane B. submersible C. car D. train 3. The Titanic rests ______ the deep sea. A. On B. at C. in D. above 4. Some deep-sea animals are blind but can “see” with their special ______. A. Abilities B. hobbies C. names D. sizes 5. People still don’t know much ______ the deep sea. A. Of B. about C. to D. for 6. —Why do people research the deep sea?—______ they want to learn more about Earth. A. Because B. So C. But D. Or 7. The ______ of the deepest part of the ocean is 10,909 metres. A. Depth B. height C. length D. width 8. There is rubbish even ______ 10,000 metres deep in the ocean. A. On B. in C. at D. with 9. Some whales can dive ______ 2,000 metres under the water. A. Over B. under C. between D. from 10. Which of the following is the deepest? A. 200 metres B. Over 2,000 metres C. 3,800 metres D. 10,909 metres 三、用所给词的适当形式填空。 1. The ______ (deep) part of the ocean is called the Challenger Deep. 2. China’s Fendouzhe ______ (reach) 10,909 metres in 2020. 3. Some whales ______ (dive) to over 2,000 metres to find food every day. 4. The Titanic ______ (rest) at the bottom of the Atlantic Ocean. 5. ______ (research) are studying the animals in the deep sea. 6. Some deep-sea animals have unusual ______ (ability). 7. The deep sea ______ (be) a dark and cold place. 8. People still don’t know much about ______ (it) life. 9. We should stop ______ (put) rubbish into the ocean. 10. The ______ (light) from some deep-sea animals helps them find food. 四、根据短文内容，从方框中选择合适的词并用其正确形式填空，每词限用一次。 deep, reach, submersible, metre, ability, research, sea, light, protect, rubbish The deep sea is one of the most mysterious places on Earth. It begins at 200 1. ______, and the deepest part of the ocean is about 10,909 metres. China’s Fendouzhe, a special 2. ______, once 3. ______ this depth. In the 4. ______ sea, there is no sunlight at all. Some animals there have unusual 5. ______. They are blind but can “see” in other ways. Some even make their own 6. ______ to move and find food. However, the deep sea is in danger now. There is even 7. ______ at 10,000 metres deep. 8. ______ say we must 9. ______ the deep sea. It is our job to learn more about this amazing world and keep it clean. We should know more about the 10. ______ sea, and never hurt it. 参考答案及详细解析： 一、 1.deep解析：deep sea 是固定搭配，意为 “深海”，符合句意 “深海是一个充满奇怪未知生物的世界”。 2.submersible解析：submersible 意为 “潜水器”，句中提到的 “奋斗者号” 是潜水器，符合语境。 3.rests解析：rest 意为 “位于；停留”，主语 The Titanic 是单数，句子用一般现在时，故用 rests，符合 “泰坦尼克号位于海底约 3800 米处” 的语境。 4. dive解析：dive 意为 “潜水”，情态动词 can 后接动词原形，符合句意 “一些鲸鱼能潜到 2000 多米深找食物”。 5. ocean解析：ocean depths 意为 “海洋深处”，符合语境 “我们对海洋深处仍有很多未知”。 6. height解析：height 意为 “高度”，Mount Qomolangma（珠穆朗玛峰）的高度是固定搭配用法，符合句意。 7. Researchers解析：researcher 意为 “研究者”，句中谓语动词为 are working，主语需用复数形式 researchers，句首首字母大写。 8. abilities解析：ability 意为 “能力”，unusual abilities 表示 “不寻常的能力”，用复数形式表示多种能力，符合语境。 9. light解析：create their own light 意为 “制造它们自己的光”，符合深海生物的特征，light 为不可数名词，用原形。 10. rubbish解析：rubbish 意为 “垃圾”，protect...from rubbish 表示 “保护…… 免受垃圾（污染）”，rubbish 为不可数名词，用原形。 二、 1.A解析：根据图片信息，深海从 200 米处开始，故选 A。 2..B解析：submersible 意为 “潜水器”，奋斗者号是潜水器，plane（飞机）、car（汽车）、train（火车）均不符合语境，故选 B。 3. C解析：rest in the deep sea 表示 “位于深海中”，in 表示在某个空间内部，符合语境，故选 C。 4. A解析：abilities 意为 “能力”，句中 “盲但能‘看见’” 是特殊能力，hobbies（爱好）、names（名字）、sizes（尺寸）均不符合，故选 A。 5. B解析：固定搭配 know much about... 意为 “对…… 了解很多”，故选 B。 6. A解析：问句用 why 提问，答句需用 because 说明原因，故选 A。 7. A解析：depth 意为 “深度”，句中 “海洋最深处” 用 depth，height（高度）、length（长度）、width（宽度）均不符合，故选 A。 8. C解析：at 后接具体深度 / 高度，at 10,000 metres deep 表示 “在 10000 米深处”，故选 C。 9. A解析：over 意为 “超过”，over 2,000 metres 表示 “超过 2000 米”，符合图片中鲸鱼的潜水深度，故选 A。 10. D解析：对比四个选项，10,909 metres 是图片中最深的深度，故选 D。 三、 1.deepest解析：句中表示 “海洋最深的部分”，需用 deep 的最高级 deepest。 2.reached解析：时间状语 in 2020 表示过去的时间，句子用一般过去时，reach 的过去式为 reached。 3. dive解析：主语 Some whales 是复数，句子用一般现在时，谓语动词用原形 dive。 4. rests解析：主语 The Titanic 是单数，句子用一般现在时，谓语动词用 rests。 5. Researchers解析：句中缺少主语，researcher 意为 “研究者”，根据谓语 are studying 可知主语为复数，句首首字母大写，故用 Researchers。 6. abilities解析：unusual abilities 表示 “不寻常的能力”，用复数形式表示多种能力，故用 abilities。 7. is解析：主语 The deep sea 是单数，句子用一般现在时，be 动词用 is。 8. its解析：修饰名词 life 需用形容词性物主代词，it 的形容词性物主代词为 its。 9. putting解析：固定搭配 stop doing sth. 意为 “停止做某事”，故用 putting。 10. light解析：light 意为 “光”，为不可数名词，用原形即可。 四、 1.metres解析：200 metres 表示 “200 米”，metre 为可数名词，用复数形式 metres。 2.submersible解析：a special submersible 表示 “一艘特殊的潜水器”，submersible 为单数，用原形。 3. reached解析：句子描述过去发生的动作（奋斗者号到达 10909 米），用一般过去时，reach 的过去式为 reached。 4. deep解析：the deep sea 表示 “深海”，用形容词 deep 修饰名词 sea。 5. abilities解析：unusual abilities 表示 “不寻常的能力”，用复数形式表示多种能力，故用 abilities。 6. light解析：make their own light 表示 “制造它们自己的光”，light 为不可数名词，用原形。 7. rubbish解析：rubbish 意为 “垃圾”，为不可数名词，用原形即可。 8. Researchers解析：句中缺少主语，researcher 意为 “研究者”，根据谓语 say 可知主语为复数，句首首字母大写，故用 Researchers。 9. protect解析：情态动词 must 后接动词原形，protect 意为 “保护”，用原形。 10. deep解析：the deep sea 表示 “深海”，用形容词 deep 修饰名词 sea。 要不要我帮你把这套题整理成可直接打印的试卷格式，加上页眉、班级姓名栏和答题区域？ 学科网（北京）股份有限公司 $