A:go Dutch
B:get it straight
C:call it a day
D:get a bite
—I'll have them ______and give away to the children who don't have bikes.
1,5﹣戊二醛(简称GA),是一种重要的饱和直链二元醛.2%的GA溶液具有广谱、高效、无刺激性、无腐蚀等特点,对禽流感、猪流感等疾病有良好的防治作用.根据上述信息,判断下列说法正确的是( )
This kind of machine is practical, and many factories use it.