根据课文内容,我能在括号里填上合适的词语。
( )地睁开 ( )的象兵 ( )的象冢
( )地吼叫 ( )的流苏 ( )的战场
艰难 威风凛凛 神秘 震耳欲聋 杏黄色 浴血搏杀
—How do you cook such delicious food?
—I cook by _________. [ ]
A. collecting and selling
B. practising and tasting
C. eating and buying
D. practising and eating
轨道平车地板长度不小于()。
A、15m
B、12.7m
C、12m
D、12.5m