句型转换。
1. He is so young that he couldn't go to school. (改为同义句)
He is _____ _____ _____ _____ to school.
2. I prefer to do sports rather than watch TV at home. (改为虚拟语气)
I _____ _____ do sports _____ watch TV at home.
3. Do you have other things I can do for you? (改为同义句)
Do you have _____ _____ I can do for you?
4. It's a pity that I can't further my research work because I have no chance. (改为同义句)
If I _____ a chance, I _____ further my research work.
5. I had to do my homework at home yesterday. (改为一般疑问句)
_____ you _____ to do your homework at home yesterday?
5.3mmol/L，血钾3.56mmol/L。