主页
学科
搜索
账户
常见问题
当前学科:中西医结合内科综合练习
题目:
单选
患右心功能不全的病人出现比较早的症状是()
A . 下肢浮肿
B . 紫绀
C . 上腹部胀满,食欲不振
D . 呼吸困难
E . 咯血
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
下列各种胎方位的分娩经过哪项是错误的()
Many people prefer text messages(短信)to actually talking. Almost overnight, text messages have become the preferred form. of communication for millions. But even as industry calculations show that Americans are now using mobile phones to send or receive more text messages than phone calls. Those messages are under great pressure because of the danger they can pose by distracting users. Though there are no official casualty(伤亡)statistics, there is much evidence that the number of fatal accidents resulting from texting while driving, crossing the street or engaging in other activities is on the rise. "The act of texting automatically removes 10 I. Q. points," said Paul Saffo, a technology trend forecaster in Silicon Valley. "The truth of the matter is that there are hobbies that are incompatible(不相容的). You dont want to do mushroom-hunting and bird-watching at the same time, and it is the same with texting and other activities. We have all seen people walk into parking meters or walk into traffic and seem startled by oncoming cars. " In the latest fight against text messaging, the California Public Utilities Commission announced an emergency measure on Thursday temporarily banning the use of all mobile devices by anyone at the controls of a moving train. The ban was adopted after federal investigators announced that they were looking at the role that a train engineers text messaging might have played here last week in the countrys most deadly rail accident in four decades. A California lawmaker is also seeking to ban text-messaging by drivers, a step already taken by a handful of other states. "We have had far too many tragic incidents around the country that are painful proof that this is a terrible problem. " said Joe Simitian, who wrote the California law requiring drivers who are talking on a cell phone to use hands-free devices.What can we know from the second paragraph?A.Text messaging may result in many accidents.B.Text messaging has caused most of the accidents recently.C.Many people are going to text messages instead of telephoning.D.The government is now trying to stop text messaging.
基础垫层采用非混凝土时,可执行装饰装修工程B.1分部中相应子目,人工乘以系数( ),其他不变。
当工作人员在凝汽器内工作时,应有()在()监护,防止别人误关(),并在发生意外时进行急救。
开航前(),值班驾驶员应会同值班轮机员核对船钟、车钟、试舵等。
成本领先企业的利润率一般较低。()
男性,60岁,不明原因咳嗽3个月,痰中偶带血丝。胸部X线平片显示右上肺炎症表现。患者出现上述Horner综合征是由于肿瘤压迫()
林某,男,65岁。高血压病史20年,平日根据血压情况间断服用降压药物治疗。入院前2小时因与家人争吵后突然严重头痛、恶心、呕吐,急送医院。身体评估:急性病容,呼吸18次/分,血压240/110mmHg,心率90次/分,律齐,余(-)。此时,接诊护士判断病人最可能出现了()
我国要逐步实现经济发展从要素驱动型增长转向()型增长。
船舶通过浅滩河段时,要求航向力求平行于流向,其目的是().