甲乙两工厂某工种某病患病率如下,应该如何比较两工厂的患病率()
A.选定一个该工种的标准患病率
B.直接法标化
C.间接法标化
D.无法比较
E.以上都不是
参考答案:B
短文填空。
Tell me what you are 1 (go) to do on Sunday morning, Jim, "Mr. Wang asks: "I am going to
see a new film. It's an English film about the life of the _ 2 _ (student) in America. Bill tells me it's
very _ 3 _ (interest)."
"After _ 4 _ (see) the film, what are you going to do?" Mr. Wang wants to know. "I am going
to read Chinese," Jim says. "Do you like it?" asks Mr. Wang." Chinese is not easy for me, but I like it
very much. I am going to work hard at it. After lunch I am going to have English and other subjects. I
think I can do 5 (good) than before. "
患儿,3岁,易患感冒,反复出现左心功能不全的症状,胸骨左缘第2肋间听到响亮粗糙的连续性机器样杂音,向左锁骨下窝或颈部和背部传导,局部可扪及震颤,四肢动脉可扪及水冲脉和听到枪击声。
术后3小时,患儿出现呼吸增快,咳嗽,痰鸣,体温38.8℃,下列措施哪项处理妥当的是()。
A.拍背排痰
B.氧气雾化吸入
C.协助患者平卧位
D.密切观察患者呼吸的频率、节律、幅度及两肺呼吸音
E.保持胸腔引流通畅