单项选择题
When you are meeting your coworkers. Normally, HR manager or head of office will introduce and welcome you. Which of the following introduction speech is not appropriate? A、It's my pleasure to extend a cheerful welcome to you all! B、On behalf of my colleagues, I wish you all a convivial welcome. C、Hello, how are you doing today? D、Luckily the weather has aligned with our wishes. The sun and I bid you a warm welcome.
判断题 I2C总线是一种简单、双向二线制同步串行总线SDA（串行数据线）和SCL（串行时钟线）。
单项选择题 从资产的本质——价值出发，新鲜空气属于我们每个人的“资产”项目。（ ） A、正确 B、错误
多项选择题 饲料及养殖企业使用饲料添加剂必须遵守的法规为 A、《饲料原料目录》 B、《饲料添加剂品种目录》 C、《饲料药物添加剂使用规范》 D、《饲料添加剂安全使用规范》 E、《混合型饲料添加剂生产企业许可条件》
