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【单选题】
男4岁,因怀疑先天性心脏病就诊。该患儿口唇黏膜青紫,轻度杵状指趾,胸骨左缘2~4肋间听到2~3级收缩期杂音,肺动脉第二音减弱,为确诊应做的检查是()
A.
脑电图
B.
头部CT
C.
心肌酶谱
D.
右心导管造影
E.
腹部B超
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举一反三
【简答题】人体内钠元素过量和缺乏都将导致生理疾病,医疗上常用的生理盐水是质量分数为0.9%(密度近似为1g/cm 3 )的氯化钠溶液,它是对腹泻脱水病人补钠的主要药品. (1)为了保证人体内钠元素的平衡,成年人每天要摄入钠元素约为2.3g.请计算成人每天宜摄入______g氯化钠. (2)某研究小组对一瓶生理盐水进行检测,他们采用的方法是:取65.0ml的生理盐水慢慢滴入2%的硝酸银溶液(密度近似为1g/c...
【判断题】和 都是导数的记号。
A.
正确
B.
错误
【简答题】根据已知,写出螺纹的规定标记为 ( )。 注意:螺纹规定标记可以省略标注的情况有:1)粗牙螺距; 2)线数不是直接标注出来,都是通过标注螺距和导程,计算倍数得出,如果线数是1,不标注导程,则粗牙就不标注螺距,细牙就只标注螺距. 3)右旋; 4)中顶径公差代号6g
【多选题】当客人想要的桌子已经没有了,我们可以怎么说呢?
A.
It was reserved this afternoon
B.
I’m sorry,that table is already reserved.
C.
We’ll call you when we have a vacancy.
D.
How about this table?
E.
There’s a table for four over there. Would you like it?
【单选题】According to the third paragraph, which is true about water?
A.
There is no such thing as water shortage in the world at all.
B.
It can be recycled in the form. of rain, snow or evaporation.
C.
Less than a tenth of water is extracted for human use each year.
D.
Only what falls as rain and snow can be made full use of.
【单选题】Mike resembles his mother in appearance _____ his personality follows his father's.
A.
who
B.
which
C.
while
D.
where
【单选题】“两层存有论”是谁的理论
A.
牟宗三
B.
唐君毅
C.
冯友兰
D.
陈鼓应
【简答题】When a negotiator arrives at the scene of a hostage cr, a first thing is to know ______.
【单选题】____________ name is Mike. [     ]
A.
he
B.
his
C.
His
【判断题】( )我们秉持"两岸一家亲"理念,就是要通过大陆的持续健康发展引导台湾改变现有的社会制度和台湾同胞的生活方式。
A.
正确
B.
错误
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