第5题:[单项选择]<br><br><br/>A.sense<br/>B.word<br/>C.matter<br/>D.way<br/>参考答案:A 答案解析:in a sense“在某种意义上”;in a word“一句话,总而言之”;in a way“以某种方式”。这句话的意思是“他的家人崇拜他,因而在某种意义上,惯爱他”。
第7题: [单项选择]What do we learn from the woman’s words A. She has more letters now than before. B. She doesn’t have so many letters as before. C. She often hears from her family now. D. She is used to having a lot of letters. 参考答案:B 答案解析:[听力原文] M: Do you often hear from your family W: I used to get a lot of letters, but now they’
第31题: [单项选择]关于筛查试验的评价指标,下列哪项是正确的 A. 试验的灵敏度愈高阳性预测值愈高 B. 试验的特异度愈高阴性预测值愈高 C. 试验阳性预测值上升,试验阴性预测值随之上升 D. 现患率增加,试验阳性预测值上升 E. 现患率增加,试验阴性预测值上升 参考答案:D 答案解析:在一项筛查试验中,当灵敏度和特异度固定后,疾病现患率的大小直接影响着筛查试验阳性预测值的高低,现患率越高,试验阳性预测值也就越高,反之亦然。其余备选答案均不正确。