A:Where was it
B:What was it
C:How was it
D:Why was it
若该校共用学生3500名,请估计有多少人选修足球?
读图,完成问题。若此图表示热力环流,下列说法正确的是( )
12的倒数的相反数是( )
—No,you can't.You ________ wear a uniform.