单项选择题 当均匀晶体中引入第三组元时，并导致扩散介质产生了晶格畸变，则扩散系数         。 A、降低 B、增加 C、不变 D、-

单项选择题 A 3-month-old has been admitted to the hospital with a newly diagnosed ventricular septal defect. She is in early congestive heart failure and digoxin is indicated. After discussing the proper dose with the attending physician, you write an order for the drug. Thirty minutes later the baby vomits and then has a cardiac arrest and dies. You discover that in writing the digoxin order you misplaced the decimal point and the child got 10 times too much digoxin. What is your duty here

单项选择题 课堂学习任务单的课堂学习形式按照从巩固知识走向内化知识、拓展综合能力和发展核心素养的要求，依次分为检测、进阶和微项目学习（“协作探究或作品创作”+“成果展示”）三个组成部分，也称为四个步骤。 A、正确 B、错误