题目内容

加筋挡土墙是由面板、及连接件与组成。

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加筋挡土墙的基本工作原理是靠和的摩擦作用来抵抗土压。

[音频]Listen and complete the conversation.Jim: You look familiar, have we met before?Mandy: I don't think so. I just moved here.Jim: My name is Jim.(1).Mandy: Nice to meet you, too. My name is Mandy.Jim: (2)?Mandy: I'm from Mexico. How about you?Jim: (3), but my parents weren't. My father is from Japan, and my mother is from Ireland.Mandy: Cool. We should have coffee sometime.Jim: That would be great.

国际投资发展的客观前提是

A. 国际分工的深入发展
B. 科技革命
C. 国际经济一体化
D. 资本输出规模扩大

国际投资主体包括

A. 跨国公司
B. 国际金融机构
C. 官方、半官方机构
D. 个人投资者