单项选择题

等渗出性脱水时，血清钠的浓度是

A.160～180mmol/L
B.150～170mmol/L
C.140～160mmol/L
D.130～150mmol/L
E.120～140mmol/L
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听力原文：M: Come in and have a seat please, Ann. Please make yourself at homE.W: I am really grateful for your invitation. I know Thanksgiving is a very traditional family holiday and I am so glad to be with an American family on this occasion.M: on the fourth Thursday of November every year, Americans celebrate Thanksgiving Day. You know its origin (20) ?w: Yeah, it has something to do with the first settlers and Indians (20) .M: Right. The first settlers in Massachusetts started this custom. And large dinners with many relatives are common throughout America on this special day.W: Do you have traditional dishes that you serve every year?M: Yes, we do. The traditional foods of Thanksgiving meal include roast turkey, sweet potatoes, pumpkin pie and bread pudding (20) . I hope you have a good appetite today.W: What do men do while women are doing the cooking?M: It's the same every year'--football. We watch one game after another on Thanksgiving (21) . I always think we'd better go out and get some exercise, but every year we fail. We are glued to the tube! When I was young, I always went hunting with my father on Thanksgiving Day morning.W: What do you do after the meal?M: After dinner we'd like to go bowling. It's a fan thing to do together as a family (22) . After a couple of games, we go back home and eat the leftovers.W: I think that Thanksgiving and Christmas are the most important holidays in the States, just like Spring Festival in ChinA.(23)A.How to spend Thanksgiving Day.B.Preparing food on Thanksgiving Day.C.The origin of Thanksgiving Day.D.What to do after Thanksgiving meal.
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单项选择题
患者男，40岁。交通事故致复合创伤后1小时入院。患者呼吸呈由浅慢逐渐加深加快，又由深快逐渐变为浅慢，继之暂停30秒后再度出现上述状态的呼吸。该患者的呼吸是
A.间断呼吸
B.潮式呼吸
C.比奥呼吸
D.鼾声呼吸
E.呼吸困难
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