北美洲和南美洲的分界线是（　　）

把下面的句子整理成连贯顺的一段话。

____据说他在小楼上弹琴，时间长了，手指在键盘上都磨得滚烫滚烫的。

____由于他刻苦学习，终于成为世界上一流的音乐家。

____贝多芬是德国伟大的作曲家。

____但他并没有因为指头发烫就停止弹奏。

____他的勤学苦练的精神十分惊人。

____为了能长时间弹下去，他在琴房里放上一盆冷水，把手放在水中浸泡以后又接着弹。

B

    My name is Alice. I have four aunts. They are all great women. Now, let's learn about them.

    This is Emily Smith. She is my father's sister. She is twenty-eight years old. She works at a big computer company.

    This is Rachel Smith. She is my father's sister, too. She is thirty years old. She is a doctor. She takes care of （照顾）patients in a hospital. This is her office. There is a little girl in front her.

    This is Julia King. She is my mother's sister. She is forty-five years old. She is a scientist（科学家）. She works in a lab. It's not big but it's really nice.

    This is Alison King. She is my mother's sister too. She is thirty-two years old. She is a policewoman. Her job is at a police station.

六年级有女生28人，男生26人．