在区间0，3上任取三个数x，y，z，则使得不等式（x﹣1）²+y²+z²≤1成立的概率（　　）

任务型阅读

　　There are some students in front of the lost and found box. The duty monitor Alan is asking some questions.

Alan: Jim, is this your English book?

Jim: No, it isn't.

Alan: Linda, is this your English book?

Linda: Yes, it is. Thanks.

Alan: Gina, what colour is your pencil?

Gina: It's green.

Alan: Is this your pencil?

Gina: Yes, it is. Thank you.

Alan: What is your name?

Jenny: My name is Jenny.

Alan: Is your ruler green or yellow?

Jenny: It's green. There’s my name “Jenny” on it.

Alan: Oh, here you are.

Alan: Here’s a nice bag; whose bag is this?

Paul: Let me see. . .  Oh, it's mine.

Alan: Look at the cute doll. Is this yours, Mary?

Mary: No, it isn't. I think it’s Betty's. Is there a watch in it?

Alan: Sorry, I haven’t seen it so far.

根据对话内容, 完成以下任务。

—Which is more useful, English or Chinese?

—                                       .

Peter's father often watches basketball games __________ TV.

【力推改革】

材料一：

材料二：

【探究改革】

材料三：范文澜在《中国通史简编》中说：“秦国新法十年，秦民大悦，路不拾遗，山无盗贼，家给人足，民勇于公战，秦成为第一强国。”

材料四：魏晋南北朝时期，黄河流域出现了“胡人汉服”“汉人胡食”的多元文化融合景象。