女.23岁。妊娠26周，腹胀2天入院。体格检查：血压130/90mmHg，痛_爱下问搜题

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问题单项选择题

女.23岁。妊娠26周，腹胀2天入院。体格检查：血压130/90mmHg，痛苦表情，发绀，不能平卧。产科检查：宫高36cm，腹围102cm，胎位不清，胎心未听到。最可能的诊断是（）

A.妊娠合并心脏病

B.妊娠高血压综合征

C.死胎

D.羊水过多

E.双胎妊娠

答案

参考答案：D

解析：羊水过多特点：①急性羊水过多多发生在妊娠20～24周，数日内子宫迅速增大，似妊娠足月或双胎妊娠大小，横膈上抬，出现呼吸困难，不能平卧，甚至发绀，孕妇表情痛苦，腹部张力过大感到疼痛，出现下肢及外阴水肿及静脉曲张；②慢性羊水过多多发生在妊娠晚期，羊水逐渐增多，孕妇能适应，见腹部膨隆大于妊娠月份，腹壁皮肤发亮、变薄，触诊皮肤张力大，胎位不清，胎心遥远或听不到。

选择题

在相同的条件下，下列说法错误的是（　　）

A．氯气在饱和和食盐水中的溶解度小于在纯水中的溶解度

B．硫在二硫化碳中的溶解度大于在酒精中的溶解度

C．NH₃H₂O在NH₄Cl溶液中电离的程度大于在纯水中电离的程度

D．工业上生产硫酸的过程中使用过量的空气可提高SO₂的利用率

完形填空

Billy is fourteen years old and in the ninth grade. He has a 36 job which gets him 37 at five o'clock every morning. He is a  38 .
Each morning, Billy leaves the house at 5: l5 to go to the corner  39 the newspapers are. The newspapers are delivered （递）to the  40 by truck at midnight. He always takes a wagon (手推车) to carry them.
In  41 , it is still dark and cold when he gets up, but during the rest of the year it is bright and warm. Billy must deliver the newspapers to the houses of people on his route (线路) in all kinds of weather. He tries to put each 42 on the porch (门廊) where it will be protected from 43 , rain or snow. His  44   think he does a good job. Sometimes they give him  45 .
Billy  46 about $70 per month, and he is saving some of the money to go to college. He spends the rest  47 records and clothes. Once a month, he has to 48 money from his customers. Since many of them  49 during the day, Billy has to collect the money 50 . Sometimes, when Billy is   51 , his older brother has to 52 the newspapers. Once Billy's father had to help as well.
Billy has seventy customers now, 53 he hopes to get more soon. Some day, if he gets many more customers, Billy might win a prize for being an outstanding(杰出的) newspaper boy. He wants to win a  54 to Europe, but he will also be happy 55 he wins a new bicycle.

B．newspaper boy

C．cowboy（牛仔）

B．porch(门廊)

C．bosses（老板们）

D．customers(顾客们)

D．tips（小费）

A．in the morning

C．in the afternoon