—_____ yellow shoes are these?
—They are my shoes.
A. Where
B. When
C. Whose
D. Who
答案:C
读图,完成下列问题.
(1)图中A点的位置(经、纬度):(______,______);
图中B点的位置(经、纬度):(______,______).
(2)A点在东,西半球的______半球,
B点在南,北半球的______半球.
用于高炉炼铁大于()的焦炭即为冶金焦
A、25mm
B、20mm
C、15mm
D、40mm