李家民做了50道口算题,每题都正确,正确率就是50%.______.
50÷50×100%,
=1×100%,
=100%.
答:正确率是100%.
故答案为:错误.
Taiwan is part of China. It is the southeast of our country.
A.to
B.on
C.in
D.at
各国之间居民税收管辖权的确定是怎样产生的?如何解决?