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【单选题】
患儿,女,8个月,因抽搐5分钟来医院就诊,母乳喂养,未添加辅食,乳牙未出,很少进行室外活动,查体体温38°C,面部肌肉抽动两眼上翻。拟诊为维生素D缺乏性手足搐搦症。下列不正确的是( )A.
维生素D缺乏性手足搐搦症患者的急救治疗原则是应迅速补充钙剂
B.
主要原因是VitD的缺乏血钙降低导致神经肌肉兴奋性增高
C.
典型发作的表现为惊厥手足搐搦喉痉挛
D.
在不发作时面神经征腓神经征阳性
E.
患儿病房环境应安静明亮整洁，鼓励多晒太阳选择富含维生素D丰富的食物
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【简答题】把陈述句改成双重否定句 这个问题一定要讲清楚。
【单选题】Try your best to run fast, ________ you will fall behind others. [ ]
A.
and
B.
but
C.
so
D.
or
【单选题】. As Christmas draws near, they feel more and more uneasy with their stored money ____.
A.
to be run out
B.
to run out of
C.
being run out
D.
running out
【单选题】It is said that the transport company will soon run ______ petroleum.
A.
over
B.
down
C.
off
D.
out of
【单选题】Beginning from a long run equilibrium in an increasing cost industry, if there is a substantial, permanent fall in demand for industry output:
A.
firms will leave the industry, the quantity produced will fall, and prices will end up lower than their initial long run equilibrium level.
B.
firms will leave the industry, the quantity produced will fall, and prices will end up higher than their initial long run equilibrium level.
C.
firms will leave the industry, the quantity produced will fall, and prices will end up at the same level as their initial long run equilibrium level.
D.
firms will enter the industry, the quantity produced will rise, and prices will end up lower than their initial long run equilibrium level.
【单选题】If oil supplies run out, the man may have to fall back on the horse.(改错题)
A.
run
B.
the man
C.
to fall
D.
on
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