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【单选题】
标定盐酸滴定液滴定液所用的基准物质是（）A.
三氯化二砷
B.
对氨基苯磺酸
C.
无水碳酸钠
D.
重铬酸钾
E.
邻苯二甲酸氢钾
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【简答题】Consonants differ from vowels in that the latter are produced without __________.
【单选题】Concerning the arteries in the neck, the wrong description is
A.
The beginning part of the external carotid artery distends to form carotid sinus
B.
Internal carotid artery enters cranial cavity to supply the brain and visual organs
C.
Usually superior thyroid artery is the first branch of external carotid artery
D.
Lingual artery lie superior to beginning point of superior thyroid artery
E.
Common carotid artery is subdivided into internal and external carotid arteries
【简答题】When a stroke occurs,the arteries leading to ______and within the brain.
【单选题】Which of the following is NOT a distinguishing feature between larger veins and arteries?
A.
Veins have valves whereas arteries do not have valves
B.
The tunics in veins are not as clearly delimited as are the tunics in arteries
C.
The walls in veins are thinner than the walls in arteries
D.
The lumen of a vein is smaller than the lumen of an artery
E.
None. All of the above are true
【简答题】_ _ _ _ _al arteries are arteries that supply the urinary bladder.
【简答题】Her anger __________ away when she read his letter of apology.
【简答题】the arteries that take blood to the heart : ______nary arteries
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