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2025知到答案 2019秋冬《大学英语》1-4 最新智慧树满分章节测试答案
绪论 单元测试
1、单选题:
Most people have no real idea how to change to healthy food, and Maureen was no ________.
选项:
A:exception
B:ignorance
C:foundation
D:possibility
答案: 【exception 】点我阅读全文
2025知到答案 中国古代文学(潍坊学院) 最新智慧树满分章节测试答案
2025知到答案 自动化生产线安装与调试-双语版 最新智慧树满分章节测试答案
第一章 单元测试
1、单选题:
The main teaching content of the course is divided into preparation section, special section, single station section and_______.( )
选项:
A:Expansion section
B:Challenge section
C:Competition section
D:Comprehensive section
答案: 【Comprehensive section】点我阅读全文
2025知到答案 日本商务礼仪(山东联盟) 最新智慧树满分章节测试答案
2025知到答案 现代物理学 最新智慧树满分章节测试答案
第一章 单元测试
1、单选题:
As a high-speed spaceship flies past you, it fires a strobe light that sends out a pulse of light in all directions. An observer aboard the spaceship measures a spherical wave front that spreads away from the spaceship with the same speed in all directions. What is the shape of the wave front that you measure? ( )
选项:
A:ellipsoidal, with the longest axis of the ellipsoid along the direction of the spaceship’s motion;
B:spherical
C:ellipsoidal, with the shortest axis of the ellipsoid along the direction of the spaceship’s motion
D:not enough information is given to decide.
答案: 【spherical】点我阅读全文