【简答题】【图片】图,一杆水平放置,且可饶O轴旋转,初始静止,现有一子弹垂直射向杆的底端,已知杆的质量为12千克,杆长2米,子弹质量4千克,速度为10米每秒,碰撞后子弹和杆粘在一起共同绕O轴转动,则他们的角速度为( )【图片】
【简答题】应收账款管理决策 资料:某公司 2014 年的赊销收入为 720 万元,该公司有两种收账方案: 方案一:年收账费用 5 万元,平均收账期 60 天,坏账孙世伟赊销额的 10% 。 方案二:年收账费用 20 万元,平均收账期 50 天,坏账孙世伟赊销额的 7% 。 假设公司的资本成本为 6% ,变动成本率为 50% ,每年按 360 天计算。 要求:根据上述资料回答下列问题。 (1) 计算方案一的应...
【多选题】婴儿的“开斋”仪式上有准备葱、鲤鱼、猪肉、米酒、公鸡,寓有 的意思。
【判断题】攻脆性材料螺纹底孔直径选择经验公式D0=D-P其中D0为底孔直径,D为螺纹大径,P为螺距
【单选题】有象斯有对,对必反其为,有反斯有仇,仇必和而解。是( )张载的观点。
【单选题】A 12-year-old boy died of complications of acute lymphocytic leukemia. There is no family history of cardiovascular disease. The gross appearance of the aorta at autopsy is shown in the figure. Histol...
A.
Cap of smooth muscle cells overlying a core of lipid debris
B.
Collection of foam cells with necrosis and calcification
C.
Granulation tissue with a lipid core and areas of hemorrhage
D.
Lipid-filled foam cells and small numbers of T lymphocytes
E.
Cholesterol clefts surrounded by proliferating smooth muscle cells and foam cells
【单选题】国学中有“合二而一”的辩证思维,其中“有象斯有对,对必反其为,有反斯有仇,仇必和而解”是()的观点。
【单选题】The gross appearance of a liver with macronodular cirrhosis is most consistent with which of the following laboratory findings:
A.
Decreased clot stabilization from factor XIII deficiency
B.
Hepatitis A antibody positive
C.
Toxic acetaminophen level
D.
Hepatitis C antibody positive
E.
Elevated alpha-fetoprotein
【单选题】“有象斯有对,对必反其为;有反斯有仇,仇必和而解。”这一观点()