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八、阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。
How will you feel if you see a fish walking along the road? Will you feel amazed if you see a fish climbing a tree? 1.
It was said that 2.
The next day, the researcher saw another fish come out of water. It was hard to believe, 4.
Now, people can find this kind of fish mainly in some Asian countries, such as India, Thailand, Pakistan and the Philippines.
How will you feel if you see a fish walking along the road? Will you feel amazed if you see a fish climbing a tree? 1.
In
fact, a kind of fish can do both. It is called the climbing perch（攀鲈）.It was said that 2.
a
researcher working in India first found this kind of fish. One day, he saw a fish was on a low palm tree near the water. What was the fish doing there? 3. How
did it get up the tree? He thought that maybe a bird put it there.The next day, the researcher saw another fish come out of water. It was hard to believe, 4.
but
it was true. The fish used its fins（鳍）and tail to pull itself along the road. After it got high up in the tree, it took a rest. He was very surprised 5. to
see the scene（情景）and told others about what he saw.Now, people can find this kind of fish mainly in some Asian countries, such as India, Thailand, Pakistan and the Philippines.
答案
1. In
2. a
3. How
4. but
5. to
2. a
3. How
4. but
5. to
解析
【分析】
这是一道英语短文填空题，需结合固定搭配、冠词、疑问词、连词及不定式结构解题。1. 空后是名词fact，需用固定短语搭配；2. 空后是可数名词单数researcher，表泛指需用冠词；3. 结合上下文询问鱼到树的方式，需用对应疑问词；4. 前后句是转折逻辑，需用转折连词；5. 结合固定结构搭配需用不定式符号。
【解析】
1. 考查固定搭配：in fact是固定短语，意为“事实上”，句首首字母大写，故填In。
2. 考查冠词：此处泛指“一名研究者”，researcher以辅音音素开头，用不定冠词a，故填a。
3. 考查疑问词：根据上文询问鱼的位置及语境，此处询问鱼“如何”爬到树上，表方式用How，故填How。
4. 考查连词：前句“难以置信”与后句“是真的”为转折关系，用连词but，故填but。
5. 考查固定结构：be surprised to do sth.是固定结构，意为“做某事很惊讶”，故填to。
【答案】
1. In 2. a 3. How 4. but 5. to
【知识点】
固定搭配、冠词用法、疑问词辨析
【点评】
本题考查英语基础语法与固定短语的运用，难度较低，需结合上下文语境及基础语法知识填空，注重日常积累。
【难度系数】
0.7
这是一道英语短文填空题，需结合固定搭配、冠词、疑问词、连词及不定式结构解题。1. 空后是名词fact，需用固定短语搭配；2. 空后是可数名词单数researcher，表泛指需用冠词；3. 结合上下文询问鱼到树的方式，需用对应疑问词；4. 前后句是转折逻辑，需用转折连词；5. 结合固定结构搭配需用不定式符号。
【解析】
1. 考查固定搭配：in fact是固定短语，意为“事实上”，句首首字母大写，故填In。
2. 考查冠词：此处泛指“一名研究者”，researcher以辅音音素开头，用不定冠词a，故填a。
3. 考查疑问词：根据上文询问鱼的位置及语境，此处询问鱼“如何”爬到树上，表方式用How，故填How。
4. 考查连词：前句“难以置信”与后句“是真的”为转折关系，用连词but，故填but。
5. 考查固定结构：be surprised to do sth.是固定结构，意为“做某事很惊讶”，故填to。
【答案】
1. In 2. a 3. How 4. but 5. to
【知识点】
固定搭配、冠词用法、疑问词辨析
【点评】
本题考查英语基础语法与固定短语的运用，难度较低，需结合上下文语境及基础语法知识填空，注重日常积累。
【难度系数】
0.7
九、有关动植物的知识你了解多少呢？请你查阅相关资料，回答下列问题。
1. Why do cats like to eat fish and mice?
2. Why do dogs like to put out their tongues（舌头）in summer?
3. Why does the broad-leaved epiphyllum（昙花）bloom for only a moment?
4. Why do scallions（葱）have white and green parts?
1. Why do cats like to eat fish and mice?
2. Why do dogs like to put out their tongues（舌头）in summer?
3. Why does the broad-leaved epiphyllum（昙花）bloom for only a moment?
4. Why do scallions（葱）have white and green parts?
答案
1. Because cats can't synthesize taurine by themselves (which is important for their eyesight and heart), and fish and mice are rich in taurine.
2. Because dogs' sweat glands are mainly on their tongues; they put out tongues in summer to let saliva evaporate to take away heat and regulate body temperature.
3. Because epiphyllum originally grows in tropical deserts, where daytime temperatures are high and water evaporates fast; blooming briefly reduces water loss to adapt to the hot dry environment.
4. Because the white part of scallions is buried in soil without light (can't make chlorophyll), while the green part is exposed to air with light (can make chlorophyll).
解析
【分析】
本题为动植物相关的科普知识问答，需结合生物学科中动物的生理需求、散热方式及植物的光合作用、环境适应性等知识，查阅资料后准确回答每个问题的原因，核心是将生活现象与生物原理对应。
【解析】
1. 猫自身无法合成牛磺酸，这种物质对维持猫的视力和心脏功能至关重要，而鱼和老鼠体内含有丰富的牛磺酸，所以猫喜欢吃鱼和老鼠。
2. 狗的汗腺不发达，主要分布在舌头上，夏天通过伸出舌头，让唾液蒸发带走热量，以此调节体温。
3. 昙花原生在热带沙漠地区，白天温度高、水分蒸发快，短时间开花能减少水分散失，适应干旱炎热的环境。
4. 葱的白色部分长期埋在土壤中，无光照无法合成叶绿素；绿色部分暴露在空气中，可接受光照合成叶绿素，因此葱有白色和绿色两部分。
【答案】
1. Because cats can't synthesize taurine by themselves (which is important for their eyesight and heart), and fish and mice are rich in taurine.
2. Because dogs' sweat glands are mainly on their tongues; they put out tongues in summer to let saliva evaporate to take away heat and regulate body temperature.
3. Because epiphyllum originally grows in tropical deserts, where daytime temperatures are high and water evaporates fast; blooming briefly reduces water loss to adapt to the hot dry environment.
4. Because the white part of scallions is buried in soil without light (can't make chlorophyll), while the green part is exposed to air with light (can make chlorophyll).
【知识点】
动物生理需求、动物散热方式、植物环境适应性
【点评】
本题结合常见动植物现象，考查生物知识的应用，需积累科普常识，体现生物与生活的联系，适合通过查阅资料或日常观察解答。
【难度系数】
0.5
本题为动植物相关的科普知识问答，需结合生物学科中动物的生理需求、散热方式及植物的光合作用、环境适应性等知识，查阅资料后准确回答每个问题的原因，核心是将生活现象与生物原理对应。
【解析】
1. 猫自身无法合成牛磺酸，这种物质对维持猫的视力和心脏功能至关重要，而鱼和老鼠体内含有丰富的牛磺酸，所以猫喜欢吃鱼和老鼠。
2. 狗的汗腺不发达，主要分布在舌头上，夏天通过伸出舌头，让唾液蒸发带走热量，以此调节体温。
3. 昙花原生在热带沙漠地区，白天温度高、水分蒸发快，短时间开花能减少水分散失，适应干旱炎热的环境。
4. 葱的白色部分长期埋在土壤中，无光照无法合成叶绿素；绿色部分暴露在空气中，可接受光照合成叶绿素，因此葱有白色和绿色两部分。
【答案】
1. Because cats can't synthesize taurine by themselves (which is important for their eyesight and heart), and fish and mice are rich in taurine.
2. Because dogs' sweat glands are mainly on their tongues; they put out tongues in summer to let saliva evaporate to take away heat and regulate body temperature.
3. Because epiphyllum originally grows in tropical deserts, where daytime temperatures are high and water evaporates fast; blooming briefly reduces water loss to adapt to the hot dry environment.
4. Because the white part of scallions is buried in soil without light (can't make chlorophyll), while the green part is exposed to air with light (can make chlorophyll).
【知识点】
动物生理需求、动物散热方式、植物环境适应性
【点评】
本题结合常见动植物现象，考查生物知识的应用，需积累科普常识，体现生物与生活的联系，适合通过查阅资料或日常观察解答。
【难度系数】
0.5
