问题
单项选择题 A1/A2型题
有关肺结核的预防性化学治疗，下列正确的是（）
A.肺结核不能用化学药物预防
B.主要用于受结核分枝杆菌感染易发病的高危人群
C.接触肺结核的人群都应用药物预防
D.与痰菌阳性的患者接触的人群
E.接触肺结核患者，PPD试验阳性的患者
答案
参考答案：B
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有关肺结核的预防性化学治疗，下列正确的是（）
A.肺结核不能用化学药物预防
B.主要用于受结核分枝杆菌感染易发病的高危人群
C.接触肺结核的人群都应用药物预防
D.与痰菌阳性的患者接触的人群
E.接触肺结核患者，PPD试验阳性的患者
参考答案：B
When we were having an English test this morning, I felt__ was watching me a little too closely. I turned my__quickly and saw Jack , who sat right behind me. My eyes caught his and he said quietly. “I hope you studied for this___!” “What am I going to do？” I thought to myself. I___cheating(作弊)in exam. Besides, I’d studied___ for the test, clearly Jack hadn’t. ___the exam, I tried several ways to guard my answers___Jack wouldn’t be able to see them. When the exam___,I felt I should let him know cheating was wrong .And I didn’t want to destroy（破坏） our friendship. My mind ___ the right words. “Sorry, Jack, but you know how I feel about cheating. ”I said slowly and gently. “Maybe I could help you___before the next test.” “OK, Bob,” he smiled weakly,“ it might not be easy, but I’ll have a try.”
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