【新托福阅读词汇150题(129)：perplexeddefeated】新托福TPO阅读中，词汇题是重要托福阅读题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧。本文中新东方在线托福网汇总了新托福阅读词汇150题：perplexeddefeated。

　　Paragraph 1: To South Americans, robins are birds that fly north every spring. To North Americans, the robins simply vacation in the south each winter. Furthermore, they fly to very specific places in South America and will often come back to the same trees in North American yards the following spring. The question is not why they would leave the cold of winter so much as how they find their way around. The question perplexed people for years, until, in the 1950s, a German scientist named Gustave Kramer provided some answers and, in the process, raised new questions. 【TPO11- Orientation and Navigation】

　　2. The word “perplexed” in the passage is closest in meaning to 

　　○ defeated

　　○ interested

　　○ puzzled

　　○ occupied

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