[单项选择]在下鼻道的开口是()。 A. 鼻泪管 B. 上颌窦 C. 前组筛窦 D. 额窦 E. 蝶窦
参考答案:A
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第1题: [单项选择]Ted: Thanks for your watermelon. It is very nice._____. James; At the farmer’’s market round the corner. A. How much are they all together B. Have you got anything nicer C. Where did you get it, by the way D. Where else can you see such nice watermelons 参考答案:C 答案解析:根据对话内容,推断此句一定是有关“在哪里”的提问。因此排除A和B;D表面是问题,实际是表示赞叹的句子,与上文语义不符。