若x2-mx+16=(x-4)2,那么m=______.
∵(x-4)2=x2-8x+16,x2-mx+16=(x-4)2,
∴-m=-8,
解得m=8.
句型转换。
1. The post office is next to the hotel. (对画线部分提问)
____ ____ the post office?
2. Go along this street. (变否定句)
____ ____ go along this street.
3. There is a park on the right side of the road. (改为同义句)
____ ____ the road is a park.
4. Lily sits on my left. Lucy sits on my right. (合并成一句话)
I sit ____ Lily ____ Lucy.
5. Excuse me, where's the airport? (改为同义句)
Excuse me, can you tell me ____ ____ to the airport?
论述下人地相关论。