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【单选题】
图示构架,吊杆的 A 、 B 、 C 端为铰接, D 、 E 端为固定支座,横梁 AB 的中央受集中力 P 作用。下列结论中哪些是正确的? (1) 固定端 D 、 E 处的竖向反力 Y D =Y E =P/4 ; (2) 固定端 D 、 E 处的水平反力 X D =Y D tgα , X E =Y E tgα , X D =-X E ; (3) 斜杆 BD 和 BE 的变形状态为拉伸与弯曲的组合。A.
(1) 、 (2)
B.
(1) 、 (3)
C.
(2) 、 (3)
D.
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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。
【简答题】Which of the following could best replace the expression \"small fry\" inWhich of the following could best replace the expression /"small fry/" in the third paragraph? A) Small dogs. B) Small sheep do...
【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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