问题
单项选择题 A1型题
疾病高危人群的筛选是医学预防中的重要任务，采用以下哪个指标进行筛选能发现最早期发病人群（）
A.内暴露剂量
B.早期生物效应分子
C.生物作用剂量
D.出现靶器官细胞凋亡
E.测量易感基因
答案
参考答案：B
解析：早期生物学效应是暴露因素导致分子水平的可检测的功能和结构的改变，常可用于早期诊断和预防筛检。
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疾病高危人群的筛选是医学预防中的重要任务，采用以下哪个指标进行筛选能发现最早期发病人群（）
A.内暴露剂量
B.早期生物效应分子
C.生物作用剂量
D.出现靶器官细胞凋亡
E.测量易感基因
参考答案：B
解析：早期生物学效应是暴露因素导致分子水平的可检测的功能和结构的改变，常可用于早期诊断和预防筛检。
完形填空 Not long after I first came to China, I had a telephone call from a young Chinese friend, “I’ve just _1_ married,” said the young man . “My wife _2_ I would like you to come to our house _3_ dinner next Saturday.” “That’s _4_ ,” I said. “I’d love to .I wish to see you and your _5_ very soon.” “She _6_ beautiful , and she can’t cook well. But I hope you’ll come.” When I heard this ,I was very much _7_. Was he _8_ tired of(厌倦) his new wife ? _9_ was he saying this to me? But when I saw his wife at the door, I found she was a quite beautiful young woman .Only then did I_10_ that he wasn’t saying bad words about his wife .He was just being polite.
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