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下列可能经垂直传播的疾病是（ ）
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下列是主动免疫生物制品的是（ ）
某市级医院医生确诊一例病毒性乙型肝炎，该医生应该在几小时内进行网络报告（ ）
Put the verbs in brackets into simple past or past progressive,past perfective or past perfective progressive.The clock (1)____(strike)four as Mary reached her flat. She (2)____(light)a final cigarette and sat at her dressing-table thinking of the party she(3)____(leave)an hour before. She would have been home much earlier but she(4)____(have)difficulty in finding a taxi at that late hour. Reflecting that if she didn’t go to bed quickly,she would feel dreadful at work next day,she(5)____(put)down her cigarette,(6)____(undress)quickly,and got into bed. She(7)____(fall)asleep at once.At that moment,the cigarette which she(8)____(put)down and(9)____(forget) to put out, (10)____(drop) from the side of the ashtray and burned a hole in the dressing-table cloth. Upon waking, Mary found that the cigarette not only (11)____(burn) a hole in the cloth, it also (12)____(make) an ugly mark on the wood.
II.When I opened the door I (13)____(see) a man on his knees.He clearly(14)____(listen) to our conversation and I wondered how much he (15)____(hear).When I(16)____(ask) him what he was doing; ,he (17)____(say) that he (18)____(drop) a 50p piece outside the door and (19)____(look) for it. I (20)____(not see) any sign of the money,but I (21)____(find) a small notebook and a pencil which he probably (22)____( drop) when the door(23)____(open) suddenly. So he (24)____(take) notes of our conversation! The notes (25)____(be) written in a foreign language.
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