如图所示，用手缓慢的推动书，使书带着笔沿桌面缓慢移动．我们认为“笔是静止的”，选择的参照物是（　　）

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线（____），并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    Last weekend we went mountain-climbing. Even the heavy rain in the morning could not prevent us go. Setting off very early, we went along an extreme narrow road, all in high spirits. On every side of the road were green fields and some farm house. We could hear the sound of the rain and our footsteps mixing with laughter. At noon we reached top of the mountain. That surprised us most was the beauty of the scenes here. After having a short rest and sharing with the food we had brought, we started going down. It rained even harder. We are wet to the skin, and we still sang and laughed happily.

下列划线字注音全部正确的一项（    ）

1871年《德意志帝国宪法》规定，帝国议会的议员不能因为议员身份而领取任何薪俸和报酬。这反映了德意志帝国（   ）