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【单选题】
下列关于结构体的说法正确的是()。A.
结构体中定义的成员的数据类型应该一致；
B.
结构体中成员可以属于另一个结构体类型；
C.
可以先定义结构体类型的变量，再声明结构体类型；
D.
不可以在声明结构体类型的同时定义结构体变量。
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举一反三
【单选题】Some lingnists thought that all languages ______ and were ruled by a common grammar.
A.
originated from one language
B.
started as the same language
C.
came from many different languages
D.
borrowed words from one another
【单选题】The children all turned ________ the famous actress as she entered the classroom.
A.
looked at
B.
to look at
C.
to looking at
D.
look at
【单选题】Most students think this book is useful as it _______ all the basic grammar rules they need to know.
A.
deals
B.
covers
C.
says
D.
teaches
【简答题】DS18B20温度检测 1.编写温度传感器函数 2.DS18B20串口显示当前温度/湿度 (用手握住DS18B20,数值明显变化)
【单选题】We all know that programming language is the system of syntax, grammar, and symbols or words used to give instructions to a computer. Because computers work with binary numbers, first-generation langu...
A.
it is used in designing software.
B.
it is hardware-independent.
C.
is should be translated into the computer language by software.
D.
it is designed to solve some specific problem.
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