Ann often _____ lunch at home with her parents.[ ]
A. have
B. has
C. eat
D. eating
答案:B
学校大厅有4根底面直径为0.6米,高是10米的柱子,要给它们涂红漆,涂红漆的面积是多少平方米?
把5.5千克、5.5吨、5.05吨、5000千克,按从大到小排列,排在第三位的数是[ ]
A.5.5吨
B.5.05吨
C.5000千克