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【单选题】
在△ABC中，∠A+∠B＞∠C，则一定有（ ）A.
∠B＜60°
B.
∠A+∠B＜90°
C.
∠C＜90°
D.
C＞90°
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举一反三
【单选题】各种方案所需的条件已知且每一方案各种后果发生概率的决策是（ ）A、非程序化决策 B、确定型决策 C、风险型决策 D、不确定型决策
A.
、非程序化决策
B.
、确定型决策
C.
、风险型决策
D.
、不确定型决策
【单选题】Concerning the lungs the correct description is
A.
Three lobes in the left lung
B.
The surface is covered by parietal pleura
C.
The oblique fissure could be found in both lungs
D.
Cardiac notch locates in the right lung
E.
The pulmonary vein connect with left ventricle
【单选题】Inhalation of air into the lungs is correctly described by which of the following?
A.
the action of the diaphragm and the ribs create a positive pressure in the thoracic cavity which causes air to move into the lungs.
B.
the volume of the thoracic cavity is increased as muscles relax, thus increasing the pressure and air is forced into the lungs.
C.
the thoracic cavity decreases in volume as muscles relax and pressure decreases so external air is forced into the lungs.
D.
the lungs expand as muscles contract, this creates a negative pressure so air is forced into the lungs.
【单选题】第 二篇 I watched from a distance as the homeless man quarreled with those who did not leave money for him – the majority. I walked up to him and right on queue he asked me for a quarter. “I’ll give you ...
A.
B.
C.
D.
D
【单选题】Which of the following statements concerning the lungs is correct?
A.
There are no lymph nodes within the lungs.
B.
The right lung is in direct contact with the arch of the aorta and the descending thoracic aorta.
C.
Inhaled foreign bodies most frequently enter the right lung.
D.
The structure of the lungs receives its blood supply from the pulmonary arteries.
E.
The costodiaphragmatic recesses are lined with visceral pleura.
【单选题】第 二篇 I watched from a distance as the homeless man quarreled with those who did not leave money for him – the majority. I walked up to him and right on queue he asked me for a quarter. “I’ll give you ...
A.
B.
C.
D.
D
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