21 Drop I from the title Review of Statistics I 28 Footnote #2: Degrees of belief 46 Question 2.4 (b) (ii) E3 + A3 instead of E2 + A3

测1.1图示两端铰支压杆的截面为矩形。当其失稳时, A.临界压力Fer=n2E,2,挠曲轴位于xy面内; B.临界压力Fer=2E1,,挠曲轴位于x=面内; C.临界压力Fer=2E2,挠曲轴位于xy面内; D.临界压力Fr=2E2,挠曲轴位于x面内;

一、选择题 A型题 1.e2.b3.c4.c5.a6.c7.8.c9.b10.be 12.c13.a14.d15.e16.b17.e18.e19.a20.21.22. 23.b24.a25.c26.c27.b28.c29.a30.c31.c32.d33.b

一、选择题 A型题 1.e2.c3.d4.a5.e6.b7.e.e.d10.c11. 12.d13.d14.a5.c16.b17.c18.a19.e20.a21.a22.a 23.c24.e25.d26.c27.b28.b2.b30.e31.c32.c33.a

一、选择题 A型题 1.e2.e3.c4.c5.d6.c7.a8.a9.b10.d11.d 12.a13.a14.e15.d16.d17.d18.19.c20.c21.c22.c

7-1卤代烷的分类; 7-2卤代烷的命名; 7-3卤代烷的制法; 7-4卤代烷的物理性质;7-5卤代烷的化学性质 7-6亲核取代反应机理[SN反应的历程和立体化学(SN1、SN2)] 7-7影响亲核取代反应的因素(R的结构:L离去基团:Nu的亲核性;溶剂) 7-8消除反应的机理[B-消去的历程(1,e2,ecb)] 7-9消除反应的取向; 7-10影响消除反应的因素;双键位置对卤原子活泼性的影响

.下列函数的极大值点和极小值点: (1)f(x,y) (2)f(x,y)=3axy-x3-y2(a>0) (3)f(x,y) (a,b>0) (4)f(x,y)=e2(x+y2+2y)

Strategic Management Journal, Vol 18, Summer 1997 Special Issue: Organizational and Competitive Interactions (Jul, 1997).15-30 Stable url: http://links.jstor.org/sici?sici=0143-2095%028199707902918%3c15%03ahmdimr%3e2.0.co%03b2-f trategic Management Journal is currently published by John Wiley Sons Your use of the jStOR archive indicates your

The Academy of management Review, Vol 6, No 4(Oct. 1981), 609-620 Stable url: http://links.jstor.org/sici?sici=0363-7425%28198110%296%03a4%3c609%03atcoiot%3e2.0.c0%3b2-m The Academy of Management Review is currently published by Academy of Management. Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at

测1.1如图所示的平板拉伸试样受轴向力F作用,试样上如图a粘贴两片应变片R、R2, 其应变值分别为1、E2由R1、R2组成图b所示的半桥测量电路,这时应变仪读数为