一、用括号内所给单词的适当形式填空。
1. Mary (believe) that every leaf is different. That’s the magic of nature.
2. (frog) are good at jumping and they can jump higher than many other animals.
3. There is a kind of amazing bird in Africa and it has four (wing).
4. The (province) in the south are famous for their beautiful landscapes.
5. (Africa) lions usually spend a lot of time resting during the day to save energy for hunting at night.
6. 经典故事 Cao Chong, a son of Cao Cao, was very smart. He found a way (weigh) the elephant.

1. believes 2. Frogs 3. wings 4. provinces 5. African 6. to weigh

【分析】
1. 第1题：主语Mary是第三人称单数，句子为一般现在时，谓语动词需用第三人称单数形式；2. 第2题：be动词为are，主语需用可数名词复数，且句首单词首字母大写；3. 第3题：数词four后接可数名词复数；4. 第4题：be动词为are，主语需用可数名词复数；5. 第5题：修饰名词lions需用形容词，Africa的形容词形式为African；6. 第6题：固定搭配a way to do sth，需用动词不定式。
【解析】
1. 主语Mary是第三人称单数，一般现在时中谓语动词用三单形式，believe的三单形式为believes，故填believes；
2. be动词are提示主语为复数，frog的复数是frogs，且位于句首，首字母大写，故填Frogs；
3. 数词four后需接可数名词复数，wing的复数形式是wings，故填wings；
4. be动词are提示主语为复数，province的复数是provinces，故填provinces；
5. 此处修饰名词lions需用形容词，Africa的形容词形式是African，意为“非洲的”，故填African；
6. 固定搭配“a way to do sth”表示“做某事的方法”，故用weigh的不定式形式to weigh，填to weigh。
【答案】
1. believes 2. Frogs 3. wings 4. provinces 5. African 6. to weigh
【知识点】
动词适当形式变化、名词单复数、形容词转换
【点评】
本题考查英语基础词汇的形式变化，涉及时态、名词数、词性转换及固定搭配，知识点基础，侧重巩固英语基础用法，难度较低。
【难度系数】
0.8

二、从方框中选择适当的单词或短语并用其正确形式填空。
| butterfly | ginkgo | rose | take a walk | land | weigh up to |
1. The giraffe has the longest neck of all animals.
2. is a good way to clear your mind and get some exercise.
3. African elephants are the largest kind of elephants and can 8,000 kg.
4. —Which flower do you like best, the , the lotus flower or the peony?
—I love the peony.
5. Emperor Taizong of the Tang Dynasty, planted a tree in Chang'an. 1,400 years later, it is still growing.
6. —Which insect flies highest, the bee, the or the dragonfly?
—The dragonfly of course. It is known as the "King of Flight (飞行)" among insects.

1. land 2. Taking a walk 3. weigh up to 4. rose 5. ginkgo
6. butterfly

【分析】
这是一道选词填空题，解题思路如下：①先通读每个句子，理解句意，明确空格处所需的词性或句子成分；②梳理方框内单词/短语的含义与词性：butterfly（蝴蝶，名词）、ginkgo（银杏，名词）、rose（玫瑰，名词）、take a walk（散步，动词短语）、land（陆地，名词）、weigh up to（重达，动词短语）；③结合语境和语法要求逐一匹配：第1题需修饰“animals”的词，land构成“陆地动物”符合；第2题需作主语，take a walk需调整为动名词形式；第3题情态动词can后接动词原形，weigh up to符合；第4题询问花的种类，rose对应；第5题“银杏树”用ginkgo；第6题询问昆虫，butterfly对应。
【解析】
1. 句意：长颈鹿是所有陆地动物中脖子最长的。land作定语修饰animals，故填land；
2. 句中缺少主语，take a walk是动词短语，需变为动名词形式作主语，故填Taking a walk；
3. 情态动词can后接动词原形，weigh up to表示“重达”，符合句意，故填weigh up to；
4. 问句询问喜欢的花，结合后面的荷花、牡丹，rose（玫瑰）符合，故填rose；
5. ginkgo tree表示“银杏树”，符合句意，故填ginkgo；
6. 问句询问飞行最高的昆虫，结合前面的蜜蜂、后面的蜻蜓，butterfly（蝴蝶）符合，故填butterfly。
【答案】
1. land 2. Taking a walk 3. weigh up to 4. rose 5. ginkgo 6. butterfly
【知识点】
名词的用法、动词短语的用法、动名词作主语
【点评】
本题考查词汇在具体语境中的正确运用，需结合句意和语法规则选择合适的词并调整形式，属于基础题型，侧重词汇词义辨析与基本语法的应用。
【难度系数】
0.6

三、阅读短文,用方框中所给词的适当形式填空。(每空一词)
autumn direct start food so
busy potato future they much
Plants are very important living things. It is easy to believe that the daily life of a plant is simple and boring. In fact, plants are always 1. doing many things. Measuring(测量) light is one of the things. This activity helps plants to plan for the 2. .
Plants have to measure the changes in the amount(数量) of daylight. This helps 3. ______ tell what time of the year it is. If a plant is beginning to get 4. ______ daylight, it knows it's spring. It may then 5. ______ producing(生长) flowers.
If the amount of daylight starts to get smaller, the plant knows that 6. is coming. It may start to keep "7. " for its growth. The potato plant, for example, will make tubers(块茎)—the 8. that we eat.
Plants also record the kind of light. Some kinds of light can better help plants grow. 9. sunlight, for example, works better than light that is filtered(过滤) through the leaves of other plants. 10. a plant usually tries to grow taller or produce larger leaves in order to get more sunlight.

1. busy 2. future 3. them 4. more 5. start
6. autumn 7. food 8. potatoes 9. Direct 10. So

【分析】本题为英语选词填空题，需结合短文语境、固定搭配、语法规则选择方框内单词的适当形式填空。解题思路：1. 通读全文，理解文章主旨（介绍植物对光线的感知及应对行为）；2. 逐个分析空格处的语境、词性需求，结合方框词汇及语法规则确定单词并调整形式；3. 最后核对答案是否符合逻辑与语法。
【解析】1. 固定搭配be busy doing sth（忙于做某事），结合语境植物总是忙于做很多事，故填busy；2. 固定搭配plan for the future（为未来做计划），符合植物感知光线为未来做准备的语境，故填future；3. 动词help后接人称代词宾格，指代前文的plants，故填them；4. 春天的特点是白天数量增多，需用much的比较级more修饰daylight，故填more；5. 固定搭配start doing sth（开始做某事），情态动词may后接动词原形，结合语境开始开花，故填start；6. 白天变短对应的季节是秋天，故填autumn；7. 植物储存生长所需的食物，food为不可数名词，故填food；8. 此处指土豆这类食物，需用potato的复数形式potatoes；9. 修饰名词sunlight需用形容词Direct，且位于句首首字母大写，故填Direct；10. 前后为因果关系，前因后果，故填So。
【答案】1. busy 2. future 3. them 4. more 5. start 6. autumn 7. food 8. potatoes 9. Direct 10. So
【知识点】词汇运用；固定搭配；词性转换
【点评】本题考查学生对基础词汇的掌握及语境运用能力，需结合短文内容、语法规则和固定搭配完成填空，难度适中，适合初中阶段学生练习。
【难度系数】0.6