[单选题]
Which of the following is a fued)h f3t6hq vm70,9 xu.ly uwe mhc)rl9 j. 8ab0r,x 7k-jtdfvndamental unit in the SI system?
A. kevin
B. volt
C. coulomb
D. joule
参考答案: A
本题详细解析: The fundamental units are kelvin, ampere, second, kilogram, metre, an7-l4 +ckviy0 yvr9*z8p tiq o+kmkqc, d mole and mc,l 9k4ykcz-i0+o qqr7vpk*t8y +i v candela