* 本题备选项需点击原文空格处获取,在列表上点选即可。 The tree people in the Lord of the Rings—the Ents—can get around by walking. But for real trees, it’s harder to uproot. Because they’re literally rooted into the ground, they are unable to leave and go (26)_____. When a tree first starts growing in a certain area, it’s likely that the (27)_____ envelope—the temperature, humidity, rainfall patterns and so on—suits it. Otherwise, it would be unable to grow from a seedling. But as it (28)_____, these conditions may change and the area around it may no longer be suitable for its (29)_____. When that happens, many trees like walnuts, oaks and pines, rely (30)_____ on so-called “scatter hoarders”, such as birds, to move their seeds to new localities. Many birds like to store food for the winter, which they (31)_____ retrieve. When the birds forget to retrieve their food—and they do sometimes—a seedling has a chance to grow. The bird Clark’s nutcracker, for example, hides up to 100,000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic (共生的) relationship with several pine species, most (32)_____ the white bark pine. As trees outgrow their ideal (33)_____ in the face of climate change, these flying ecosystem engineers could be a big help in (34)_____ trees. It’s a solution for us—getting birds to do the work is cheap and effective—and it could give (35)_____ oaks and pines the option to truly “make like a tree and leave”.
* 本题备选项需点击原文空格处获取,在列表上点选即可。 The tree people in the Lord of the Rings—the Ents—can get around by walking. But for real trees, it’s harder to uproot. Because they’re literally rooted into the ground, they are unable to leave and go (26)_____. When a tree first starts growing in a certain area, it’s likely that the (27)_____ envelope—the temperature, humidity, rainfall patterns and so on—suits it. Otherwise, it would be unable to grow from a seedling. But as it (28)_____, these conditions may change and the area around it may no longer be suitable for its (29)_____. When that happens, many trees like walnuts, oaks and pines, rely (30)_____ on so-called “scatter hoarders”, such as birds, to move their seeds to new localities. Many birds like to store food for the winter, which they (31)_____ retrieve. When the birds forget to retrieve their food—and they do sometimes—a seedling has a chance to grow. The bird Clark’s nutcracker, for example, hides up to 100,000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic (共生的) relationship with several pine species, most (32)_____ the white bark pine. As trees outgrow their ideal (33)_____ in the face of climate change, these flying ecosystem engineers could be a big help in (34)_____ trees. It’s a solution for us—getting birds to do the work is cheap and effective—and it could give (35)_____ oaks and pines the option to truly “make like a tree and leave”.
题目解答
答案
elsewhere╎climatic╎ages╎offspring╎exclusively╎subsequently╎notably╎habitats╎replanting╎vulnerable
解析
文章讨论了树木如何在面对环境变化时通过鸟类的帮助来传播种子,从而适应新的生长环境。文章中提到的“scatter hoarders”(散播储藏者)是指那些会储存食物的鸟类,它们在忘记取回食物时,会帮助种子传播到新的地方。
步骤 2:分析每个空格的语境
- (26):树木无法离开并去到的地方。
- (27):指代环境条件的词汇。
- (28):树木生长的过程。
- (29):树木的后代。
- (30):树木依赖鸟类的程度。
- (31):鸟类取回食物的时间。
- (32):鸟类与松树的共生关系。
- (33):树木的理想生长环境。
- (34):鸟类帮助树木适应新环境的方式。
- (35):面临环境变化的树木。
步骤 3:选择合适的词汇填入空格
- (26):elsewhere(其他地方)
- (27):climatic(气候的)
- (28):ages(成长)
- (29):offspring(后代)
- (30):exclusively(专门地)
- (31):subsequently(随后)
- (32):notably(显著地)
- (33):habitats(栖息地)
- (34):replanting(重新种植)
- (35):vulnerable(脆弱的)