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, our class went hiking. Early in the morning, we gathered at People's Square in the city center and then head for the South Mountain, which was 8 kilometers away. Our goal was to climbing to the top, from which we could enjoy a good view.

    It was an exhausted hike and the heats consumed all our energy. Therefore, when we finally reached to our destination, the view took our breath away. It was well worth walking such long distance. Because I not only got relaxed by enjoying the beauty of nature but also learned the truth which our efforts will always pay off in the end.

《大国崛起》解说词写道：“17世纪，英国在历史性的转变中抢占了先机，已经率先到达了现代文明的入口，在下面两个世纪里，它将傲视全球。”英国“抢占先机”和“傲视全球”的典型表现分别是(     )

周末同学的父亲邀请小强去家里做客，请你给小强提出一些好的建议吧（       ）
①穿着干净得体的衣服
②注意礼貌用
③尊重同学的父母
④和同学友好相处
⑤不用特别注意，在家里怎样做在同学家也一样 

已知随机变量 X服从正态分布 N（5，4），且 P（ X＞k）=P（ X＜k﹣4），则k的值为（　　）