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【简答题】
如图所示，一静止的均匀细棒，长【图片】、质量为【图片】，可绕通过棒的端点且垂直于棒长的光滑固定轴【图片】在水平面内转动，一质量为【图片】、速率为v=20m/s的子弹在水平面内沿与棒垂直的方向射入并穿过棒的自由端，设穿过棒后子弹的速率为v/3，则此时棒的角速度应为 rad/s。【图片】
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皮皮学刷刷变学霸
举一反三
【单选题】______ is defined as an expression of human emotion which is condensed into fourteen lines.
A.
Free verse
B.
Sonnet
C.
Ode
D.
Epigram
【简答题】1-2 选择教材53页、56页上的两个形体进行临摹,并尝试变换视角绘制。
【多选题】Which one can be used to overcome stereotyping?
A.
to get in touch with people from various cultures
B.
to find sufficient evidence for what you hear
C.
to trust yourself that you have no stereotypes of others
D.
to describe an individual's behaviors instead of generalizing traits over the whole community
【简答题】Which of following expression of shipment date is clear and flexible?（ ）
【多选题】Which statements can be used to describe authentic assessment?
A.
Identify and direct steps to meet the needs of students.
B.
Provide reliable information
C.
Notice significant behaviors.
D.
an integral part of teaching
E.
Real acts of reading and writing.
【简答题】变换的快捷键是 ;反相的快捷键是 ; 羽化的快捷键是 ;盖印图层快捷键 ;
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