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Please choose the right one from the following choices to fill in the blanks. (从下列单词中选出正确的单词填空) overwhelmedyieldsamplepursuepassion The doctor took a blood ____to see if the patient was infected with the disease.

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Please choose the right one from the following choices to fill in the blanks. (从下列单词中选出正确的单词填空) overwhelmedyieldsamplepursuepassion Our research has only recently begun to____important results.

某组分在气相中扩散时,温度升高,则分子扩散系数( )

A. 增大
B. 减小
C. 增大还是减小与该组分的具体性质有关
D. 与温度无关

漂流因子反映了如下哪一项对传质的贡献( )。

A. 分子扩散
B. 总体流动
C. 涡流扩散
D. 对流传质

患者女,60岁。慢性咳嗽、咳痰30年,下肢水肿1年。近半个月咳嗷加重,痰量增多,为黄色脓痰。呼吸困难,腹胀明显,食欲下降。诊断为慢性肺源性心脏病,呼吸衰竭。对患者进行的健康教育,不妥的内容是

A. 鼓励患者进行耐寒锻炼,如坚持冷水洗脸
B. 避免吸入刺激性气体
C. 尽量少去人群拥挤的公共场所,减少呼吸道感染的机会
D. 可以长期应用抗生素预防呼吸道感染
E. 极改善膳食结构,加强营养

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