各车站站台有效长均为80m,可停靠一列四辆编组的列车。()
参考答案:错
若方程|x2-4x+3|=m有4个不相等的实数根,则实数m的取值范围是______.
—Do you like your new diet?
—Yes, I do. ________I don’t eat them any more. [ ]
A. So
B. And
C. But
D. Because