题目内容

给单片机烧录程序时,通常应选择的文件是( )。

A. *.c
B. *.asm
C. *.a51
D. *.hex

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计算机可以通过( )接口给宏晶公司的STC系列单片机下载(烧录)程序。

A. COM
B. LPT
C. VGA
D. HDMI

I‘m afraid we have to change the appointment. I have something important to do.

A. That’s all right.
B. It’s my pleasure.
C. I have a busy schedule.
D. I wish I could.

I just called to confirm our appointment at 10 a.m. tomorrow.

A. Sure, I’ll be expecting you at 10:00.
B. Sorry, I’ll be at a meeting at 10:00.
C. Well, I’ll be seeing Mr. Peterson at 10:00.
D. No, I’ll be in a park at 10:00.

Can you make it Monday next week?

A. Tuesday is a better time for me.
B. Tuesday is fine.
C. I’ll be seeing Jane on Tuesday.
D. I’m fully occupied on Tuesday.

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