—Do you know _____?—Sorry, I don't know.
A：what's the population of Japan
B：what the population of France is
C：how much of the population of Japan is
D：how many is the population of France
17世纪彼得一世的改革中，最能体现当时世界潮流的措施是
有一个标有“2.5V 0.3A”的小灯泡某同学计算出它的灯丝电阻是8.3Ω但用欧姆表（测量电阻的仪表）测得的结果是2.5Ω。关于这差异最合理的解释是：灯丝的电阻随____而改变。
实行均田制的直接受益者和最终受益者是 （ ）
