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2022大学慕课答案 大学英语4(北京信息科技大学)1451279456 最新大学MOOC满分章节测试答案
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-02-23到2020-07-10
本篇答案更新状态:已完结
第 1 周遣词造句 (一) 第 1 周 遣词造句(一) 测验
1、 问题:1.What is the lexical diversity?
选项:
A:Lexical diversity means employing difficult and challenging words as many as possible.
B: Lexical diversity means using different expressions for the same or similar meaning.
C: Lexical diversity means preferring difficult words to easy words.
D: Lexical diversity means many different kinds of words.
答案: 【 Lexical diversity means using different expressions for the same or similar meaning.】 点我阅读全文
,抽气机每分钟能抽出气体20升。设容器的容积2.0升,问经过( )时间后才能使容器的压强由
降为
,设抽气过程中温度始终不变。



