Unit 4 Section B 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 B 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 deep sea b______ at 200 metres. 2. China’s Fendouzhe d______ to 10,909 metres in the deep sea. 3. The Titanic r______ at about 3,800 metres under the sea. 4. A w______ can dive to over 2,000 metres in the ocean. 5. People don’t know much about the d______ sea. 6. Some deep-sea animals are b______ but can “see”. 7. There is r______ even at the deepest part of the ocean. 8. The height of Mount Qomolangma is about 8,848.86 m______. 9. The deepest point in the ocean is over 10,000 m______ deep. 10. Scientists are r______ the deep sea to learn more about it. 二、单项选择。 1. The deep sea begins ______ 200 metres A. At B. in C. on D. for 2. Fendouzhe is a Chinese submersible that dived ______ the deep sea. A. into B. on C. for D. with 3. Some deep-sea animals are blind ______ they can “see” in other ways A. So B. but C. and D. or 4. There is rubbish even ______ 10,000 metres deep. A. In B. at C. on D. of 5. Which of the following is the deepest point in the ocean? A. 200 metres B. Over 2,000 metres C. 3,800 metres D. 10,909 metres 6. A whale can dive ______ over 2,000 metres deep. A. To B. in C. at D. for 7. People still don’t know ______ about the deep sea. A. Many B. much C. few D. little 8. Some deep-sea animals can create ______ own light. A. They B. their C. them D. theirs 9. The Titanic rests at about 3,800 metres ______ the sea. A. Under B. on C. above D. over 10. ______ is important to research the deep sea. A. It B. That C. This D. What 三、用所给词的适当形式填空。 1. The deep sea ______ (begin) at 200 metres. 2. China’s Fendouzhe ______ (dive) into the deep sea in 2020. 3. Some deep-sea animals are ______ (blindness) but can “see”. 4. There is lots of ______ (rubbish) in the deep sea. 5. A whale can ______ (dive) to over 2,000 metres deep. 6. People still don’t know much about the ______ (deep) sea. 7. Scientists are ______ (research) the deep sea these years. 8. Some animals can create ______ (they) own light. 9. The Titanic ______ (rest) at 3,800 metres under the sea. 10. The ______ (high) of Mount Qomolangma is 8,848.86 metres. 四、语法填空。 What do you know about the deep sea? The deep sea 1.______ (begin) at 200 metres. China’s Fendouzhe 2.______ (dive) to the deepest point of the ocean, which is about 10,909 metres deep. The Titanic rests at about 3,800 metres 3.______ the sea. A whale can dive 4.______ over 2,000 metres deep. People still don’t know much 5.______ the deep sea. Scientists are researching it now. Some deep-sea animals have unusual abilities. Some are 6.______ (blindness) but can “see”. Some can even create their own 7.______ (light). However, there is also rubbish even 8.______ the deepest part of the ocean. It is important 9.______ (protect) the deep sea. We should learn more about it and keep it 10.______ (clean). 参考答案与详细解析: 一、 1.begins解析：句意为 “深海在 200 米处开始”，主语 The deep sea 是单数，一般现在时用 begins。 2.dived解析：句意为 “中国的奋斗者号潜入了深海”，潜水是过去发生的动作，用过去式 dived。 3. rests解析：句意为 “泰坦尼克号沉在约 3800 米深的海底”，主语 The Titanic 是单数，用一般现在时 rests。 4. whale解析：句意为 “鲸鱼能潜入海洋 2000 多米深处”，对应图片中 “Over 2,000 metres” 处的鲸鱼，填 whale。 5. deep解析：句意为 “人们对深海了解不多”，the deep sea 是固定搭配，意为 “深海”，填 deep。 6. blind解析：句意为 “有些深海动物是盲的，但能‘看见’”，对应 2c 句子 “Some are blind but can ‘see’”，填 blind。 7. rubbish解析：句意为 “即使在海洋深处也有垃圾”，对应 2c 句子 “There is rubbish even at ______ metres deep”，填 rubbish。 8. metres解析：句意为 “珠穆朗玛峰的高度约为 8848.86 米”，metre 是可数名词，用复数 metres。 9. metres解析：句意为 “海洋的最深处超过 10000 米深”，10,000 后接复数 metres。 10. researching解析：句意为 “科学家正在研究深海以了解更多”，现在进行时用 researching。 二、 1. A解析：表示 “在某一深度 / 位置开始” 用介词 at，begin at 200 metres 意为 “在 200 米处开始”，故选 A。 2. A解析：固定搭配 dive into...，意为 “潜入……”，故选 A。 3. B解析：前后句为转折关系：“有些深海动物是盲的，但能‘看见’”，用 but，故选 B。 4. B解析：表示 “在某一深度” 用介词 at，at 10,000 metres deep 意为 “在 10000 米深处”，故选 B。 5. D解析：根据图片，海洋最深处为 10,909 米，故选 D。 6. A解析：固定搭配 dive to...，意为 “潜到…… 深度”，故选 A。 7. B解析：know much about... 是固定搭配，意为 “对…… 了解很多”，否定句中表示 “不多” 用 don’t know much，故选 B。 8. B解析：修饰名词 light 用形容词性物主代词 their，意为 “它们自己的光”，故选 B。 9. A解析：表示 “在海面以下” 用介词 under，under the sea 意为 “在海底”，故选 A。 10. A解析：固定句型 It is important to do sth.，it 作形式主语，故选 A。 三、 1.begins解析：主语 The deep sea 是单数，一般现在时，begin 变为 begins。 2.dived解析：“奋斗者号下潜” 是过去发生的动作，用一般过去时 dived。 3.blind解析：be 动词后接形容词作表语，blindness 的形容词形式是 blind。 4. rubbish解析：rubbish 是不可数名词，没有复数形式，用原形 rubbish。 5. dive解析：情态动词 can 后接动词原形，用 dive。 6. deep解析：the deep sea 是固定搭配，意为 “深海”，用形容词 deep 修饰 sea。 7. researching解析：现在进行时结构 be + doing，research 变为 researching。 8. their解析：修饰名词 light 用形容词性物主代词 their，意为 “它们的”。 9. rests解析：主语 The Titanic 是单数，一般现在时，rest 变为 rests。 10. height解析：the 后接名词，high 的名词形式是 height，意为 “高度”。 四、 1.begins解析：主语 The deep sea 是单数，一般现在时，begin 变为 begins。 2.dived解析：“奋斗者号下潜” 是过去发生的动作，用一般过去时 dived。 3. under解析：表示 “在海面以下” 用介词 under，under the sea 意为 “在海底”。 4. to解析：固定搭配 dive to...，意为 “潜到…… 深度”。 5. about解析：固定搭配 know much about...，意为 “对…… 了解很多”。 6. blind解析：be 动词后接形容词作表语，blindness 的形容词形式是 blind。 7. light解析：light 此处意为 “光”，是不可数名词，用原形 light。 8. at解析：表示 “在某一深度” 用介词 at，at the deepest part 意为 “在最深处”。 9. to protect解析：固定句型 It is important to do sth.，用不定式 to protect。 10. clean解析：固定搭配 keep sth. + 形容词，意为 “使某物保持某种状态”，用形容词 clean。 学科网（北京）股份有限公司 $