题目内容

下列哪一个不是系统数据库?()

A. master
B. model
C. msdb
D. pub

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52-year-old Lu Renfeng is the chief m in the Inner Mongolia First Machinery Group Corporation. Since the first day he came to the workshop, he has worked hard to practice his skills to become an excellent mechanic in refining and w. He has devoted himself to produce Chinese armored fighting v for over three decades. When facing the difficulties, he never up and works with great determination and dedication. His perfect t__, accurate skills and carefulness show the Chinese excellent craftsmanship (工匠精神）.虽然首字母已给，填空时请带上首字母填写完整单词！

Hello, Wang. May I have your WeChat ID? 句中WeChat的意思是?

A. 我们聊聊
B. 聊天
C. 微信

Here is my QR code. 句中QR code的意思是?

A. QR码
B. 二维码
C. 付款码

—How are you,Jane?—.

A. How are you, Li Ming?
B. I'm fine, thanks.
C. And you.