The Gulf of Mexico (墨西哥湾) is being polluted seriously. That has affected _______ several hundred kinds of sea animals there. |
[ ] |
A. at least B. at once C. at birth D. at times |
根据n多题专家分析,试题“The Gulf of Mexico (墨西哥湾) is being polluted seriously. That has affected _______ several hundred kinds of sea animals there. [ ]A. at least B. at once C.…”主要考查了你对 【介词短语】 等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。
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