皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
关于正常胸导联的QRS波群的形态和变动范围,不正确的是
A.
Vl~V5导联R波逐渐增高,S波逐渐减小
B.
Vl、V2多呈rS型
C.
V3导联的R/S接近于1
D.
V5导联R波可超过2.5mV
E.
V1不QS型
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】关于前置胎盘所致的阴道出血,其特点是( )
A.
破膜后出血常能减少甚至停止出血
B.
阴道流血时间的早晚与前置胎盘类型无关
C.
多发生在出现宫缩以后
D.
多发生在孕36~40周时
E.
胎盘附着的子宫下段有明显出血
【简答题】某年 8月某日 , 某单位聚餐后有 80%聚餐者先后因腹痛、腹泻就诊。大部分患者有上腹和脐周阵发性绞痛 , 继而腹泻 , 5次/d ~ 20次/d , 粪便呈洗肉水样血水便。调查发现聚餐的主要食物为是盐水虾及近海贝类等。 请回答:( 1) 引起该食物中毒的病原菌可能是 哪种病菌? ( 2)什么叫神奈川现象?
【简答题】捷进2 Unit 5 P.82 Look at the pictures of some foods. Guess and match the foods tothe countries they are typically eaten in. Check your predictions after reading the text.A. B. C. D. E.
【单选题】牡蛎属于软体动物的
A.
单板纲
B.
腹足纲
C.
瓣鳃纲
D.
头足纲
【简答题】田螺属于______纲动物,牡蛎属于______纲动物,乌贼属于______纲动物。
【简答题】同受国家控制的企业之间发生的合并,应作为同一控制下的企业合并。( )
【简答题】Healthy Eating Today, on the street, there seem to be more and more children who look very fat. Perhaps they grow fat because they eat too much a day. But this may not be the whole story. Another fact...
【单选题】牡蛎属于哪个纲?( )
A.
多板纲
B.
掘足纲
C.
瓣鳃纲
D.
腹足纲
【单选题】The author advises consumers to______.
A.
look for foods with such words as 'certified organically grown'
B.
grow their own food without synthetic chemicals
C.
buy foods from a seller they often deal with
D.
make sure the foods are pesticide free before buying them
【单选题】They look ____ foods that are low in calories
A.
in
B.
to
C.
on
D.
for
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题