In this article the author states that blood test has______.
A: only one function
B: two functions
C: three functions
D: four functions
A: only one function
B: two functions
C: three functions
D: four functions
举一反三
- The system of higher education in the United States has two functions : teaching and research.
- The system of higher education in the United States has three functions: teaching, research and public services.
- Intonation has several functions: ( ) function, ( ) function, ( ) function, and discourse function. <br/>______
- Variables created inside a function are available only to the functions in the same C file.
- According to the functionalists, language has three functions:（）,expressive, and social.