[单选题]
Which of the following is a fundamental u wh(m h u)/rtza n8+gfm:cd*3vnit in thegr7rihi)ie)cti.:)ta mg -/1eygs; d ) li2r j 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, kilogramn f3;7s vynaq* -fpr0.nu*(,chgallo , metre, and mole and can *n, aul (h a0-snfrnlv37gy.p*o;cqfdela