下列各组溶液混合后不能形成缓冲溶液的是( )。 A．30mL 0.10mol/LNaH2PO4溶液与20mL0.15mol/L Na2
A.30mL
B.10mol/LNaH2PO4溶液与20mL0.15mol/L
C.30mL
D.10mol/L
E.15mol/L
F.30mL
G.10mol/LNH3溶液与30mL
H.05mol/L
I.30mL
J.10moI/L
K.05mol/L
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患者女性，62岁，发热，食欲减退、恶心、厌油1周，4天热退尿黄，黄疸，大便呈陶土色。体查：肝肿大并有叩痛，皮肤瘙痒。查ALT580U/L，TBIL200μmol/L，DBIL20μmol/L，PTA80%。3年前注射过乙肝疫苗，1个月前曾到外国旅游10天，本病的传染源是（）
A.食物
B.鼠
C.急性患者
D.慢性病原携带者
E.污染物品
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1 Mr. Duffy raised his eyes from the paper and gazed out of his window on the cheerless ev
2 As the light failed and his memory began to wander he thought her hand touched his. The shock which had first attacked his stomach was now attacking his nerves. He put on his overcoat and hat quickly and went out. The cold air met him on the threshold; it crept into the sleeves of his coat. When he came to the public-house at Chapel Bridge he went in and ordered a hot punch.3 The proprietor served him obsequiously but did not venture to talk. There were five or six working-men in the shop discussing the value of a gentleman's estate in County Kildare. They drank at intervals from their huge pint tumblers, and smoked, spitting often on the floor and sometimes dragging the sawdust over their heavy boots. Mr. Dully sat on his stool and gazed at them, without seeing or hearing them. After a while they went out and he called for another punch. He sat a long time over it. The shop was very quiet. The proprietor sprawled on the counter reading the newspaper and yawning. Now and again a tram was heard swishing along the lonely road outside.4 As he sat there, living over his life with her and evoking alternately the two images on which he now conceived her, he realized that she was dead, that she had ceased to exist, that she had become a memory. He began to feel ill at ease. He asked himself what else could he have done. He could not have lived with her openly. He had done what seemed to him best. How was he to blame？ Now that she was gone he understood how lonely her life must have been, sitting night after night alone in that room. His life would be lonely too until he, too, died, ceased to exist, became a memory -- if anyone remembered him.Mr. Duffy's immediate reaction to the report of the woman's death was that ofA．disgust.B．guilt.C．grief.D．compassion.
3 The proprietor served him obsequiously but did not venture to talk. There were five or six working-men in the shop discussing the value of a gentleman's estate in County Kildare. They drank at intervals from their huge pint tumblers, and smoked, spitting often on the floor and sometimes dragging the sawdust over their heavy boots. Mr. Dully sat on his stool and gazed at them, without seeing or hearing them. After a while they went out and he called for another punch. He sat a long time over it. The shop was very quiet. The proprietor sprawled on the counter reading the newspaper and yawning. Now and again a tram was heard swishing along the lonely road outside.4 As he sat there, living over his life with her and evoking alternately the two images on which he now conceived her, he realized that she was dead, that she had ceased to exist, that she had become a memory. He began to feel ill at ease. He asked himself what else could he have done. He could not have lived with her openly. He had done what seemed to him best. How was he to blame？ Now that she was gone he understood how lonely her life must have been, sitting night after night alone in that room. His life would be lonely too until he, too, died, ceased to exist, became a memory -- if anyone remembered him.Mr. Duffy's immediate reaction to the report of the woman's death was that ofA．disgust.B．guilt.C．grief.D．compassion.
4 As he sat there, living over his life with her and evoking alternately the two images on which he now conceived her, he realized that she was dead, that she had ceased to exist, that she had become a memory. He began to feel ill at ease. He asked himself what else could he have done. He could not have lived with her openly. He had done what seemed to him best. How was he to blame？ Now that she was gone he understood how lonely her life must have been, sitting night after night alone in that room. His life would be lonely too until he, too, died, ceased to exist, became a memory -- if anyone remembered him.Mr. Duffy's immediate reaction to the report of the woman's death was that ofA．disgust.B．guilt.C．grief.D．compassion.
Mr. Duffy's immediate reaction to the report of the woman's death was that ofA．disgust.B．guilt.C．grief.D．compassion.
A．disgust.B．guilt.C．grief.D．compassion.
B．guilt.C．grief.D．compassion.
C．grief.D．compassion.
D．compassion.
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