下列哪些可造成挫折容忍力下降() A.良好的教育 B.一帆风顺 C.久经磨炼 D.从 发布时间:2018-08-23 08:38 │ 来源:www.tikuol.com 题型:多项选择题 问题: 下列哪些可造成挫折容忍力下降()A.良好的教育B.一帆风顺C.久经磨炼D.从小受到过份保护E.连续不断地挫折
题型:多项选择题 下列分解因式正确的是( )A.2x2-xy-x=2x(x-y-1)B.-x2+2xy-3y=-y(xy-2x-3)C.x(x-y)-y(x-y)=(x-y)2D.x2-x-3=x(x-1)-3 查看答案
题型:多项选择题 — Where is my brother, Mum? I haven't seen him this morning. — He ____ to the library. He will come back soon.[ ]A. goes B. is going C. has gone D. will go 查看答案