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五、 跨学科 地理 任务型阅读。
阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有一项为多余选项。
主题群:自然生态 子主题:知识科普 语篇类型:说明文 难度:★★
The ground looks like a white blanket after it has been snowing for a whole night. It is time to have snowball fights and build a snowman outside. Kids can't help enjoying the white world of winter. 1.
Small crystals of ice(冰晶) that fall to the earth are called snow. 2.
Places like Russia, Canada and the USA have heavy snow in winter. 3.
Other than snowstorms, snowfall is good for people. 4.
A. However, in some places, people never see snow.
B. With snow, winter becomes a really fun time of the year.
C. This kind of snow is useful for fun activities like making a snowman.
D. It is formed(形成) when the temperature of the air is at or lower than 0 ℃.
E. Snowfall can keep the ground from getting too cold and protect crops from freezing(结冰).
F. It helps clean up the air by carrying dust to the ground.
阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有一项为多余选项。
主题群:自然生态 子主题:知识科普 语篇类型:说明文 难度:★★
The ground looks like a white blanket after it has been snowing for a whole night. It is time to have snowball fights and build a snowman outside. Kids can't help enjoying the white world of winter. 1.
B
Small crystals of ice(冰晶) that fall to the earth are called snow. 2.
D
There must be some water in the air to form snow.Places like Russia, Canada and the USA have heavy snow in winter. 3.
A
These places include Singapore and many other countries around the equator(赤道).Other than snowstorms, snowfall is good for people. 4.
F
Snowfall is also important to farmers. As the Chinese saying goes, "A fall of seasonable snow gives promise of a fruitful year." 5. E
Melting snow waters crops. It also lowers the temperature of the ground to kill bad insects in the soil, so snow helps bring a good harvest next year.A. However, in some places, people never see snow.
B. With snow, winter becomes a really fun time of the year.
C. This kind of snow is useful for fun activities like making a snowman.
D. It is formed(形成) when the temperature of the air is at or lower than 0 ℃.
E. Snowfall can keep the ground from getting too cold and protect crops from freezing(结冰).
F. It helps clean up the air by carrying dust to the ground.
答案
1. B 根据“It is time to have snowball fights and build a snowman outside.”可知，“有了雪，冬天就成了一年中真正有趣的时光。”符合语境。
2. D 根据“Small crystals of ice that fall to the earth are called snow.”可知，此句介绍了雪的形成，故“它是在空气温度等于或低于$0°C$时形成的。”符合语境。
3. A 根据“Places like Russia, Canada and the USA have heavy snow in winter.”可知，此句介绍了下大雪的国家，下一句介绍赤道附近的国家，故“然而，在一些地方，人们从来没有见过雪。”符合语境。
4. F 根据snowfall is good for people可知，此句介绍雪对人类有好处，故“它通过把灰尘带到地面来帮助净化空气。”符合语境。
5. E 根据“A fall of seasonable snow gives promise of a fruitful year.”可知，此句介绍了“瑞雪兆丰年”，故“降雪可以防止地面变得太冷，并保护农作物免受冻害。”符合语境。
2. D 根据“Small crystals of ice that fall to the earth are called snow.”可知，此句介绍了雪的形成，故“它是在空气温度等于或低于$0°C$时形成的。”符合语境。
3. A 根据“Places like Russia, Canada and the USA have heavy snow in winter.”可知，此句介绍了下大雪的国家，下一句介绍赤道附近的国家，故“然而，在一些地方，人们从来没有见过雪。”符合语境。
4. F 根据snowfall is good for people可知，此句介绍雪对人类有好处，故“它通过把灰尘带到地面来帮助净化空气。”符合语境。
5. E 根据“A fall of seasonable snow gives promise of a fruitful year.”可知，此句介绍了“瑞雪兆丰年”，故“降雪可以防止地面变得太冷，并保护农作物免受冻害。”符合语境。
解析
【分析】本题为英语任务型阅读题，需结合上下文语境及逻辑关系选择合适句子填空。解题思路：先通读全文，明确各段主旨；再分析每个空白处前后句的逻辑（如承接、转折、解释说明等）；最后匹配选项，排除多余项，确定答案。
【解析】1. 空白前描述孩子们喜爱冬天玩雪的场景，选项B“有了雪，冬天就成了一年中真正有趣的时光”承接前文的玩雪活动，符合语境，故选B；2. 空白前定义了雪，后文提及雪形成需要空气中的水，选项D“它是在空气温度等于或低于0℃时形成的”解释雪的形成条件，承接前文定义，故选D；3. 前文列举冬季多雪的国家，后文提到赤道附近少雪的国家，选项A“然而，在一些地方，人们从来没有见过雪”形成转折，衔接上下文，故选A；4. 前文说明降雪对人有益，选项F“它通过把灰尘带到地面来帮助净化空气”具体说明降雪的益处，符合逻辑，故选F；5. 前文提到“瑞雪兆丰年”，后文讲融雪对作物的作用，选项E“降雪可以防止地面变得太冷，并保护农作物免受冻害”衔接瑞雪与丰收的关系，故选E。
【答案】1.B 2.D 3.A 4.F 5.E
【知识点】英语任务型阅读、语篇逻辑衔接、自然科普常识
【点评】本题为跨学科题目，结合自然生态主题考查语篇逻辑理解，难度适中，要求学生把握句子间的逻辑关系，同时积累相关科普知识。
【难度系数】0.6
【解析】1. 空白前描述孩子们喜爱冬天玩雪的场景，选项B“有了雪，冬天就成了一年中真正有趣的时光”承接前文的玩雪活动，符合语境，故选B；2. 空白前定义了雪，后文提及雪形成需要空气中的水，选项D“它是在空气温度等于或低于0℃时形成的”解释雪的形成条件，承接前文定义，故选D；3. 前文列举冬季多雪的国家，后文提到赤道附近少雪的国家，选项A“然而，在一些地方，人们从来没有见过雪”形成转折，衔接上下文，故选A；4. 前文说明降雪对人有益，选项F“它通过把灰尘带到地面来帮助净化空气”具体说明降雪的益处，符合逻辑，故选F；5. 前文提到“瑞雪兆丰年”，后文讲融雪对作物的作用，选项E“降雪可以防止地面变得太冷，并保护农作物免受冻害”衔接瑞雪与丰收的关系，故选E。
【答案】1.B 2.D 3.A 4.F 5.E
【知识点】英语任务型阅读、语篇逻辑衔接、自然科普常识
【点评】本题为跨学科题目，结合自然生态主题考查语篇逻辑理解，难度适中，要求学生把握句子间的逻辑关系，同时积累相关科普知识。
【难度系数】0.6
