对低压保险丝符合的规定（）。
A、严禁用线材代替
B、允许用线材代替
C、允许用高压代替低压
D、没有规定
参考答案：A
Mrs. White has _____ that she is not able to get a job.
A．so little education
B．such little education
C．so a little education
D．such a little education
16个50的和是______，39×67的积的个位上的数字是______．
