以下四组物质中,前者为化合物,后者为溶液的是 [ ]
A. O2、石灰水
B. CO2、石灰水
C. H2O、CO2
D. 空气、碘酒
答案:B
男性,65岁。间隙性上腹部疼痛伴反酸、嗳气10年,多为夜间痛和饥饿痛。上腹胀痛不适,呕吐隔夜饮食3天,吐后症状缓解。查体:左上腹压痛,振水音阳性。
进一步的处理是()
A.尽早手术治疗
B.继续保守治疗
C.针对病因治疗
D.治疗其他伴发疾病
E.有效改善全身营养状况
根据所给词的适当形式填空。(共10小题;每小题1分,满分10分)
小题1: Many birds can live _______________ (comfortable) in Zhalong all year round.
小题2:Did you have a nice time _____ _(ski) last week ?
小题3:—Whose are these bags? —They’re those _______________(hero).
小题4: Suzy ________ (make) a snowman while Kitty was taking some photos.
小题5:_________(wolf) eat smaller animals when they are hungry.
小题6: Do you know the _________(important) of protecting wild animals.
小题7: If the temperature ________ (drop) to 0 C, the water will become ice.
小题8: Thank you for agreeing__________ (let) me go on the trip today.
小题9: Without the guide’s help, the travelers couldn’t find the way back by (theirs).
小题10: Bad weather sometimes causes ___________ disasters. (nature)