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【单选题】
患者，男，49岁，有吸烟史，后回病房，麻醉未清醒，患者血压、脉搏正常，吸气困难，呼吸时喉头有音，应考虑A.
喉痉挛
B.
呼吸道分泌物过多
C.
呕吐物窒息
D.
舌后坠
E.
呼吸不规则
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【单选题】The writer of the passage thinks that ______.
A.
it is true to say artists fail in their work
B.
it is untrue to say artists fail in their work
C.
it is true to say some artists fail in their work
D.
it is true to say only painters fail in their work
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A.
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B.
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C.
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D.
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A.
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B.
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【简答题】Please say three words about the impact of tourism.
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