A:glue
B:craftsman
C:tape
D:ruler
在制作人的口腔上皮细胞、洋葱鳞片叶表皮细胞临时装片时,在载玻片上分别滴加的液体和它们染色共用的液体依次是( )
读我国西部部分地区图,回答:
They found __________ impossible to finish so much work in such a short time.