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【简答题】
情景选择。根据对话情景，从每题所给的三个选项（A、B和C）中，选出最佳选项。 小题1:— I am sorry I lost your pen. — _______ A. It doesn’t matter, I have another one. B. You should buy me a new one. C. Be more careful next time. 小题2: — Would you like to go for a picnic with us this weekend? — _______ A. I don’t like it. B. Yes, I’d love to. C. I don’t want to go. 小题3:— We are going on a visit to the Great Wall. — _______ A. Have a good time. B. Don’t waste time. C. I am so sorry to hear that. 小题4:— Would you mind not opening the window? — _______ A. Yes, please. B. I’m sorry about that. C. No, I don’t. 小题5:— I’m worried about the coming exam. — _______ A. That’s too bad. B. What a shame. C. Don’t be nervous.
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皮皮学刷刷变学霸
举一反三
【单选题】按发病率递减的顺序，食管癌最常见的部位依次是
A.
食管各段分布相等
B.
食管中段、上段、下段
C.
食管下段、中段、上段
D.
食管上段、下段、中段
E.
食管中段、下段、上段
【简答题】在整流电路中，二极管之所以能整流，是因为它具有。