Which of the following, if true, could account for the discrepancy described in the paragraph above?答案解析-雷哥GRE

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Self-pollinating plants carry several advantages over those plants that are non–self-pollinating. For one, self-pollinating plants still produce the same number of seeds during drought conditions, when the number of insects-which aid in the spread of seeds of non–self-pollinating plants-is low. Self-pollinating plants are also able to thrive in a greater variety of climates. Nonetheless, the number of self-pollinating plants in the world is much lower than that of non–self-pollinating plants.

第1 题

Which of the following, if true, could account for the discrepancy described in the paragraph above?

A wide variety of insects, any of which can experience dwindling numbers during drought years, disperse the seeds of non–self-pollinating plants. Non–self-pollinating plants release larger seeds that have a far greater chance of germinating than those formed by self-pollinating plants. During non-drought years, non–self-pollinating plants do not create more seeds than do self-pollinating plants. Insects sometimes spread the seeds released by self-pollinating plants but such seeds rarely germinate. Non–self-pollinating plants thrive in tropical parts of the world more readily than do self-pollinating plants.

正确答案： B 耗时：

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当前版本由 284104ttnb 更新于2025-08-26 20:07:19 感谢由 284104ttnb 对此题目的解答所做出的贡献。
題目要問的是: 哪個選項可以解釋文章中所提到的discrepancy(不一致、矛盾之處) →「為什麼自花授粉植物不依賴昆蟲授粉，但數量仍低於非自花授粉植物?」
*要注意:不是要你在文章中找答案(文章中沒提到不代表錯誤)，而是看以下這些假想的情況是否能夠合理解釋discrepancy*

A. A wide variety of insects, any of which can experience dwindling numbers during drought years, disperse the seeds of non–self-pollinating plants.
- 只說明非自花授粉植物依賴昆蟲，且昆蟲數量會受乾旱影響 → 無法解釋
B. Non–self-pollinating plants release larger seeds that have a far greater chance of germinating than those formed by self-pollinating plants.
- 非自花授粉植物的種子更大顆、更容易發芽 → 即使自花授粉植物在乾旱期有優勢、種子較多，總植物量還是較少 → 可以解釋
C. During non-drought years, non–self-pollinating plants do not create more seeds than do self-pollinating plants.
- 只說明在非乾旱年份，兩者種子數相同 → 無法解釋
D. Insects sometimes spread the seeds released by self-pollinating plants but such seeds rarely germinate.
- 由昆蟲傳播的自花授粉植物種子不容易發芽 → 似乎也可以解釋數量低？
- 但是文章中說自花授粉植物不依靠昆蟲傳播種子 → 與文章內容矛盾 → 錯誤
E. Non–self-pollinating plants thrive in tropical parts of the world more readily than do self-pollinating plants.
- 非自花授粉植物在熱帶環境更容易生存 → 似乎也可以解釋，但侷限在熱帶環境，跟文章中範圍(in the world)不同 → 錯誤

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284104ttnb

題目要問的是: 哪個選項可以解釋文章中所提到的discrepancy(不一致、矛盾之處) →「為什麼自花授粉植物不依賴昆蟲授粉，但數量仍低於非自花授粉植物?」 *要注意:不是要你在文章中找答案(文章中沒提到不代表錯誤)，而是看以下這些假想的情況是否能夠合理解釋discrepancy* A. A wide variety of insects, any of which can experience dwindling numbers during drought years, disperse the seeds of non–self-pollinating plants. 只說明非自花授粉植物依賴昆蟲，且昆蟲數量會受乾旱影響 → 無法解釋 B. Non–self-pollinating plants release larger seeds that have a far greater chance of germinating than those formed by self-pollinating plants. 非自花授粉植物的種子更大顆、更容易發芽 → 即使自花授粉植物在乾旱期有優勢、種子較多，總植物量還是較少 → 可以解釋 C. During non-drought years, non–self-pollinating plants do not create more seeds than do self-pollinating plants. 只說明在非乾旱年份，兩者種子數相同 → 無法解釋 D. Insects sometimes spread the seeds released by self-pollinating plants but such seeds rarely germinate. 由昆蟲傳播的自花授粉植物種子不容易發芽 → 似乎也可以解釋數量低？但是文章中說自花授粉植物不依靠昆蟲傳播種子 → 與文章內容矛盾 → 錯誤 E. Non–self-pollinating plants thrive in tropical parts of the world more readily than do self-pollinating plants. 非自花授粉植物在熱帶環境更容易生存 → 似乎也可以解釋，但侷限在熱帶環境，跟文章中範圍(in the world)不同 → 錯誤