- A.<img src="//img1.yqda.net/question-name/46/d3f837c9c3d34ca1bf8a94f1da84e4.png" width="20" height="41"/>
 - B.<img src="//img1.yqda.net/question-name/59/c0755e52653e50a6b32dbdfb91b323.png" width="17" height="40"/>
 - C.<img src="//img1.yqda.net/question-name/2d/61b6c561ad577d9de4cee742190302.png" width="13" height="44"/>
 - D.<img src="//img1.yqda.net/question-name/f2/d4fb662fdd66715af2cad5306036e8.png" width="14" height="36"/>
 
- A.-30kN·m
 - B.-15kN·m
 - C.15kN·m
 - D.30kN·m
 
- A.图(a)    <img src="//img1.yqda.net/question-name/87/39871ecc36dda3dc07aca2582ebd88.png" width="128" height="141"/>
 - B.图(b)    <img src="//img1.yqda.net/question-name/c8/e81941bfdeaafe9a83eba3ff557249.png" width="137" height="111"/>
 - C.图(c)    <img src="//img1.yqda.net/question-name/d2/df6d0ab1eaa4d1de08c11b99411881.png" width="122" height="119"/>
 - D.图(d)    <img src="//img1.yqda.net/question-name/e1/3b3468602015a3bbfcdb1f3a5860b3.png" width="137" height="115"/>
 
- A.平衡条件
 - B.物理条件
 - C.变形条件
 - D.图乘条件
 
- A.<img src="//img1.yqda.net/question-name/97/4b4b496145c191fa760825e525914c.png" width="37" height="38"/>
 - B.<img src="//img1.yqda.net/question-name/ec/4eb87f41cf6f0eb9b0273f54f81d10.png" width="37" height="38"/>
 - C.<img src="//img1.yqda.net/question-name/51/57570a884fe44d12a2133fed7a2b6a.png" width="35" height="37"/>
 - D.<img src="//img1.yqda.net/question-name/cd/35e136bb24ed636b3ac3672a5d1b3b.png" width="36" height="37"/>
 
- A.1
 - B.2
 - C.3
 - D.4
 
- 22
 - 
									
图示结构( )

 
- A.仅AC段有内力
 - B.仅CE段有内力
 - C.全梁无内力
 - D.全梁有内力
 
- A.图(a)    <img src="//img1.yqda.net/question-name/05/4c7c6aab47a13b91a5cb76900dcff9.png" width="114" height="122"/>
 - B.图(b)    <img src="//img1.yqda.net/question-name/a2/9ed4fe198f72dc724dd14de5235683.png" width="123" height="124"/>
 - C.图(c)    <img src="//img1.yqda.net/question-name/d3/76096079a9fd76dbc2874068d3897d.png" width="124" height="123"/>
 - D.图(d)    <img src="//img1.yqda.net/question-name/53/34c04d7d690cc4abf26838ed8d38a8.png" width="122" height="116"/>
 
- A.-P
 - B.0
 - C.P
 - D.2P
 
- 25
 - 
									
图示体系为( )

 
- A.有多余约束的几何不变体系
 - B.无多余约束的几何不变体系
 - C.常变体系
 - D.瞬变体系
 
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