搜题请搜索小程序“爱下问搜题”
问题 单项选择题

如图，硬膜外间隙哪项不对（）

A.是一充满脂肪.血管和淋巴管的潜在间隙

B.在腰处最宽约5～6mm

C.在中胸部宽约3～5mm

D.在下颈部宽约1.5～2mm

E.上自枕骨大孔，下至骶2

答案

参考答案：E

材料分析题

材料：现在，随着社会的发展，越来越多的同学跟手机、MP3、光盘、快译通等高科技产品交上了朋友，有的还把它们带进课堂，甚至有人上课互发短信，传播不健康信息。 

（1）结合上述材料，谈谈我对中学生使用高科技电子产品的看法。

                                                                                                                                                         

                                                                                                                                                         

                                                                                                                                                          

                                                                                                                                                         　　（2）阅读材料后，同学们围绕“科技与人的素质”和“科技与资源环境”，这两个话题展开了讨论，请选择其中一个话题，阐述你的观点：

                                                                                                                                                          

                                                                                                                                                          

                                                                                                                                                          

                                                                                                                                                           　　

     话题：___________________

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单项选择题

裂缝高度通常与（）有关。

A.排量

B.目的层上下隔层的情况

C.排量和目的层上下隔层的情况

D.施工压力
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