问题
单项选择题
某皮革加T厂鞣革车间出现多例患者，其临床表现为头痛、头昏，有明显的黏膜刺激症状，并出现咳嗽、胸闷、眼结膜水肿，体检时，肺部可闻干性啰音，X线胸片显示肺纹理增多、增粗。其最有可能接触的生产性毒物是（）
A.H2S
B.硫化钠
C.鞣酸
D.二硫化碳
E.以上都不是
答案
参考答案：A
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某皮革加T厂鞣革车间出现多例患者，其临床表现为头痛、头昏，有明显的黏膜刺激症状，并出现咳嗽、胸闷、眼结膜水肿，体检时，肺部可闻干性啰音，X线胸片显示肺纹理增多、增粗。其最有可能接触的生产性毒物是（）
A.H2S
B.硫化钠
C.鞣酸
D.二硫化碳
E.以上都不是
参考答案：A
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| Betty is a schoolgirl. September 23rd is her 1 birthday. She 2 early in the morning. She has 3 at six thirty. Then she goes to school at seven o'clock. She has four 4 in the morning. And she comes home 5 school at twelve. Last month, she went to Beijing for summer camp. She 6 many friends there. And she took 7 photos on the Great Wall. She came home 8 August 27th. She 9 she can speak English 10 now. | ||||
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