皮皮学，免费搜题
登录
搜题
【单选题】
解方程组Ax=b的简单迭代格式x （k+1） =Bx （k） +g收敛的充要条件是（）A.
ρ（A）<1
B.
ρ（B）<1
C.
ρ（A）>1
D.
ρ（B）>1
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】某病人头部击伤,头皮裂开12小时以上,伤口无明显感染,其处理为
A.
凡士林纱布覆盖
B.
彻底清创，一期缝合
C.
清创并置放胶片引流
D.
观察2～3天，二期缝合
E.
不予缝合，以免增加损伤
【简答题】The generation gap is so great in Hong Kong that the agers there rarely turn to their parents or teachers for advice on anything. Whether it be , , school worries or family problems, s...
【简答题】A．rarely B．so C．too D．not
【简答题】A. rarely B. so C. too D. not
【单选题】Rarely ___ so difficult a choice.
A.
) she could have faced with
B.
) could have she faced with
C.
) she could have been faced with
D.
) could she have been faced with
【单选题】某幼儿园某天下午放学时,一名家长迟到了半小时去接孩子,发现孩子不见了。经过调查发现,原来教师等不到孩子家长,就把该幼儿交给同路的幼儿家长,让其带回家了。下列说法正确的是( )
A.
家长不配合教师工作,应该给予教训
B.
教师不负责任,违背了爱岗敬业的要求
C.
儿童最重安全回到家,无需大惊小怪
D.
教师为家长考虑,符合爱岗敬业要求
【单选题】某幼儿园某天下午放学时 , -名家长迟到了半小时去接孩子,发现孩子不见了。经调查发现,原来教师等不到孩子的家长,就把幼儿交给同路的幼儿家长,让其帮忙带回家。下列说法正确的是()。
A.
家长不配合教师工作 ,应该给予教训
B.
教师不负责任 ,违背了爱岗敬业的要求
C.
儿童最终安全到家，无须大惊小怪
D.
教师为家长考虑，符合爱岗敬业的要求
【单选题】Rarely ______by so many students.
A.
so much time has been wasted
B.
has so much tme wasted
C.
has so much time been wasted
D.
has wasted so much time
【简答题】Our everyday encounters with language are so natural and so extensive that we rarely consider language as an object of sufficient interest to warrant study. Language is always there, and we make use o...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
