These channels origin at topographic high points; the valleys widen " downstream

游客2023-12-01  25

问题 These channels origin at topographic high points; the valleys widen " downstream" , some even displaying inner valleys.

选项

答案 词性混用,应把origin改为originate。

解析 origin是名词,意思是“起源,由来”,其动词形式为originate,意思是“引起,发起,起源”。
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