A:易溶于水,可用于食品加工
B:易溶于水,工业上用作防腐剂
C:难溶于水,不能用于食品加工
D:难溶于水,可以用作防腐剂
Hello, boys and girls. Welcome to this place. This is a f____ station. It's big. We can see some fire engines. They are r____. How many fire engines? Let me count. One, two, three…Ten are new, a ____two are old. The man is a f____. He's Jill's father. He's Mr Black. He's a t ____man. He likes helping people. He likes his job.
植物个体发育的正确顺序是( )