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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】女，68岁。急性心肌梗死入院，2天后病情突然恶化，患者烦躁不安，呼吸急促，血压降低，四肢潮冷，双肺底湿性啰音，胸骨左缘3～4肋间出现收缩期杂音，并触及震颤。最有可能出现的并发症是（ ）。
A.
梗死后综合征
B.
成人呼吸窘迫综合征
C.
乳头肌功能不全
D.
室间隔穿孔
E.
室壁瘤形成
【单选题】A. I"ll catch up on my reading to kill time B. There isn"t a cloud in the sky C. Did you catch the news today D. How long have you been waiting E. Have a nice day F. Don"t forget your book G. Where...
A.
lived at the tavern
B.
was going home after leaving the stranger at the tavern
C.
was going away on the train
D.
had to go back to the train station after leaving the stranger at the tavern.
【单选题】Passage Four "We’re more than halfway (中途) now; it’s only two miles farther to the tavern (客栈) ," said the driver. "I’m glad of that," answered the stranger, in a more sympathetic way. H...
A.
an old man
B.
a stranger
C.
a girl
D.
not mentioned
【单选题】动力不足的故障原因有喷油器喷油不良，燃油系统压力过高或过低，点火高压弱，点火正时不正确（）等。
A.
油泵不工作
B.
怠速机构故障
C.
气缸压缩压力低
D.
无高压火