在汽轮机调速器上不仅能调节转速，还能调节（）、功率等参数。
参考答案：抽气压力
连词成句，注意标点符号及大小写。
1. are many There buildings here near
2. many You fish can see
3. fish any Are there river the in
4. too my I village like
5. fresh I air like much very
Everyone should learn something about first aid, because every second ____ in an emergency. [ ]
A. urges
B. costs
C. needs
D. counts
