问题
连词成句
连词成句。
1. Tom's, house, is, here (.)
___________________________________________
2. in, the, what, is, bedroom (?)
___________________________________________
3. room, is, the, this, living (.)
___________________________________________
4. bathroom, is, here, the (.)
___________________________________________
答案
1. Here is Tom's house.
2. What is in the bedroom?
3. This is the living room.
4. Here is the bathroom.
④2H ⑤Fe ⑥O2六种化学符号中，能表示分子的是（填序号，下同）________；能表示离子的是_________；能表示化合价的是_____________。