经中国证监会批准，任何个人或者单位及其关联人擅自持有期货公司5%以上股权，或者通过提

情景对话。

M: Hey, Karen, it looks like you've got some sun this weekend.

W: Yeah, I guess so.I spent the weekend at the beach.

M: Oh, yeah, that's great.__1__

W: At my friend's house.Some friends of my parents' live out there and they invited me for as long as I wanted to stay.

M: So what are you doing back here already?

W: _2__and I just couldn't do any serious studying at the beach.

M: I don't blame you.So what did you do out there?_3_

W: I ran slowly up and down the beach, and I played some volleyball.  4  I couldn't even get through a whole game before I had to sit down.

M: Did you go swimming?

W: I wanted to, but they said the water isn't warm enough for that until a couple of months from now.

M: _5_I wish I could get away to the beach like that.

A. I mean besides lying out in the sun.

B. Where did you stay?

C. How long did you spend there?

D. It's too cold for me.

E. It all sounds nice.

F. Oh, I have a paper to work on,

G. You know I never realized how hard it is to run on sand.

对于标量处理机，可以用（）来衡量机器的运算速度，而对于向量处理机，则要用（）来作为机器运算速度的单位。这两个运算速度单位不能直接相比。

试简述软骨组织的组成、分类及特点是什么？

1492年，哥伦布航行到达美洲，开启了世界历史的新时代。

材料一：偶然与必然

有人认为，哥伦布是因为“迷路了”，才偶然“发现”了美洲。也有人认为，当时即使没有哥伦布，也必然会有别人“发现”美洲。

材料二：发现与相遇

15、16世纪以来，人们通常使用“哥伦布发现美洲”的提法，“发现”的意思是“使所有的人和所有的民族都并入欧洲文明”。1984年，部分拉美学者倡议改称“美洲发现——两个文明汇合”。1992年，联合国教科文组织主张以“两个大陆相遇500年”为主题，举行哥伦布航抵美洲纪念活动。

材料三：交流与发展

哥伦布明清时期的中国世界市场历史机遇

据材料并结合所学知识，谈谈你的观点并说明理由。