假如你是李华，你的好友李娜要邀你一起去西藏旅行，但你得陪同父母去看望在乡下的爷爷奶奶，所以不能去。请以电子邮件的形式给你的朋友提一下旅行建议。

1）加入旅行社，同时结伴而行；

2）早晚气温较低，带上轻薄的棉衣;

3）日照时间长，带上太阳镜，遮阳帽等物品；

4）空气稀薄，戴上吸氧用具。

(西藏Tibet   旅行社 travel agency   吸氧用具 Oxygen inhalation apparatus)

下列词语中划线的字注音全部正确的一项是  （   ）

地球上某点以东是东半球，以西是西半球，以南是南半球，以北是北半球，则该点的经纬度是（　　）

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。

Dear parents,

    The hardest time of my life is coming, and I know you are worry about my studies and my life. I can say nothing and thanks to you for the special occasion. Words failed me when I want to express my thanks to you for the care you showed me in the past few years. These days I have been studying hard and have performed to the best of my ability in the tests. I'll try your best to accomplish my assignment in the coming days.

    After the college entrance examination, I intend to helping you do some housework, that I have seldom done before. And I want to learn to cook in order to personal prepare a dinner for you both.

    My dear parents, everything is going well with me. do to relax!

    Love from,

    Your son