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【单选题】
男,45岁。反复咳嗽、咳痰6年。每逢冬季加重。近半个月来上述症状加重,咳黄痰,量不多。查体:两肺底可闻及湿啰音 若该患者逐渐出现呼吸困难、活动后加重的症状,对确诊慢性呼吸衰竭最有意义的检查结果是:A.
心电图示低电压、肺型P波
B.
动脉血气分析示氧分压降低
C.
肺泡呼吸音减弱，呼气相延长
D.
桶状胸，叩诊过清音，肺肝界下移
E.
胸部X线片示双肺透亮度增加，心影狭小
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反馈参考答案：
举一反三
【判断题】T he sad young men and the lost generation refer to the same group of people.
A.
正确
B.
错误
【单选题】Which generation came before Generation X?
A.
Generation Y.
B.
Generation Z.
C.
The baby boomer generation.
【单选题】The author refers to a potential new generation of monsters to______.
A.
refer to the potential dangers of cloning humans
B.
make reference to a popular novel that supports cloning
C.
denounce cloning technology
D.
support the use of stem-cell technology
【简答题】计算:2sin2225°-cos300°tan405°(拍照上传答案)
【单选题】“The Lost Generation” does not refer to______
A.
Ernest Hemingway
B.
John Dos Passos
C.
Eugene Glastone O’Neill
D.
F.Scott Fitzgerald
【简答题】求下列各式的值． （1）a 2 sin（-1350°）+b 2 tan405°-（a-b） 2 tan765°-2abcos（-1080°）； （2）sin（- 11π 6 ）+cos 12 5 π?tan4π．
【简答题】Generation Z refer to those born in .
【简答题】Generation X refer to those born in .
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