问题
单项选择题 B1型题
后遗效应是指（）。
A.在剂量过大或药物在体内蓄积过多时发生的不良反应
B.停药后血药浓度已降至阈浓度以下时残存的药理效应
C.突然停药后原有疾病加剧
D.反应性质与药物原有效应无关，用药理性拮抗药解救无效
E.一类先天遗传异常所致的反应
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
后遗效应是指（）。
A.在剂量过大或药物在体内蓄积过多时发生的不良反应
B.停药后血药浓度已降至阈浓度以下时残存的药理效应
C.突然停药后原有疾病加剧
D.反应性质与药物原有效应无关，用药理性拮抗药解救无效
E.一类先天遗传异常所致的反应
参考答案：B
The Most Popular Pets in the world What are the most popular pets in the world? Cats and dogs! 小题1:___.This is around half of the country’s population(人口).About 60% of American families celebrate（庆祝） their pets’ birthday. Cats and dogs are also good topics for small talks---“ What a lovely dog! What’s his name?” 小题2:__ People think dogs are loyal（忠诚的） animals. They help do lots of jobs like hunting(打猎 ) and guarding(守卫 ). 小题3:_______. In 1957, Russia put a dog called Laika into space. Cats catch mice. They are not as loyal as dogs, but they can make people happy. Today, cats and dogs are both people’s good friends. 小题4:___. The most famous ones are Garfield and Snoopy. Garfield is a lazy fat cat. He likes eating and sleeping all the time. He is smart, too. He can write some letters and tell time sometimes, although he often repeats that he can’t. He is often mad at his master who can understand him well. Snoopy is a kind small dog. 小题5:______ . He likes to write stories and make his friends feel better.
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