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第一章 单元测试

1、 材料:

Sarah is 36 years old, and she lives in Canada. She has two young daughters. She works two days a week as a teacher. Her husband’s name is Nathan, and he’s a sales manager. Nathan’s job is very busy, so he often comes home late. At weekends, they often go driving or walking in the countryside.

Nathan was born in Canada, but Sarah wasn’t. She was born in Argentina, and she moved to Canada when she was 26. When she was growing up, she was really interested in English. At first, she thought it was difficult, but when she finished school she could already speak quite fluently, and understand almost everything she heard or read. 点我阅读全文

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2022-02-21到2022-07-02

第二章 固体的结合 第二章测验

1、 问题:从结合力的角度来说，NaCl晶体和金刚石晶体分别属于（  ）
选项：
A:离子结合，共价结合
B:金属结合，共价结合
C:离子结合，范德瓦尔斯结合
D:金属结合，范德瓦尔斯结合
答案: 【离子结合，共价结合】 点我阅读全文

第一章 单元测试

1、 问题:游戏从本质上说，是幼儿能动的驾驭活动对象的主体性活动，是表现幼儿 、 、 的活动。 ( )
选项：
A:主动性
B:独立性
C:社会性
D:创造性
E:主体性
答案: 【
主动性
独立性
创造性
】 点我阅读全文