题目内容

控制DS18B20温度转换流程有( )。

A. DS18B20复位
B. 写入跳过ROM的字节命令,0xCC
C. 写入开始转换的功能命令,0x44
D. 延迟大约750~900毫秒

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当程序和硬件都调试好后,LCD1602显示23℃,我们给DS18B20加温后,LCD1602显示数据N℃和23℃比较,正确的是()。

A. N=>23;
B. N<23
C. N=10
D. N=-23

生活中在医院所用的一般温度计是传感器。

A. 对
B. 错

Quiz. 12. I didn’t _____ Sally from doing her computer program. (Unit3 Part1B 12)

Quiz. B: Hello, this is Cathy from MB Company. We are interested in your products. Could you please send us a catalog with the price list of your women dresses? A: OK, will you please tell me the quantity you need to let us _____out the offer? (Unit3 Part2A D2)

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