皮皮学，免费搜题
登录
搜题
【多选题】
建筑施工企业应当组织专家组对安全专项施工方案进行论证审查的分部分项工程有( )。A.
开挖深度为3m的基坑
B.
开挖深度为6m的基坑
C.
混凝土模板支撑工程集中线荷载30KN/m
D.
搭设高度20m的落地式钢管脚手架
E.
施工高度60m的建筑幕墙安装工程
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】Great writers are those who not only have great thoughts but also express these thoughts in words which appeal ______ to our minds and emotions.
A.
forcefully
B.
greatly
C.
strongly
D.
powerfully
【单选题】The most outstanding local colorist writers of 19th century America is ______, whose The Adventures of Huckleberry Finn has been exerting great influence on later generations.
A.
Mark Twain
B.
Henry James
C.
Washington Irving
D.
James Fennimore Cooper
【简答题】TCP/IP模型由低到高四个层次分别为网络接口层 _____ 、_____ 和应用层。
【简答题】TCP/IP 模型由低到高分别为 网络接口层、 ____________ 、传输层、 ____________ 。
【单选题】设X1，X2，…，Xn是来自总体X的样本，Ai为i阶原点矩，Mj为j阶中心矩，下列关于样本矩的关系式中哪一个是错误的？
A.
A1=X ̅
B.
M2=A2-A1^2
C.
(n-1)S^2=nM2
D.
S^2=A2-A1^2
【单选题】The United States is proud of ________ great writers, especially ________ in the 20th century such as Mark Twain and Ernest Hemingway.
A.
its ... those
B.
the ... which
C.
her ... what
D.
his ... that 窗体顶端
【单选题】China has produced many great writers over the last ten years, ____ Mo yan.
A.
among them was
B.
among whom was
C.
in which was
D.
among whom were
相关题目：
参考解析：
知识点：
题目纠错 0
发布
