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【多选题】
关于后备功率,表述正确的是: ( )A.
后备功率越大，汽车的动力性一般越好
B.
后备功率越大，汽车的动力性一般越差
C.
后备功率越大，汽车的燃油经济性一般越好
D.
后备功率越大，汽车的燃油经济性一般越差
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反馈参考答案：
举一反三
【简答题】ascending aorta 指( )
【单选题】The following statements concerning the abdominal aorta are true except
A.
It bifurcates into the two common iliac arteries in front of the fourth lumbar vertebra.
B.
It lies on the right side of the inferior vena cava.
C.
From its anterior surface arise the celiac, superior mesenteric, and inferior mesenteric arteries.
D.
It enters the abdomen in front of the twelfth thoracic vertebra.
E.
The thoracic duct leaves the abdomen through the aortic opening of the diaphragm on the right side of the aorta.
【单选题】The aorta leaves the:
A.
left atrium
B.
right atrium
C.
left ventricle
D.
right ventricle
参考解析：
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