A:so; that
B:too; to
C:to; too
D:that; so
请根据对话选词填空
ducks quiet nature park people buildings
There is a____. The nature park is____. There aren't many ____. There aren't many tall____. There are some animals. They are____and rabbits.
已知点A(﹣2,n)在抛物线y=x2+bx+c上.
通电螺线管的外部磁场与条形磁体周围磁场相似,其磁极可以用安培定则判定。
下列多项式相乘的结果是a2-a-6的是( )
- I phoned you yesterday morning, but you were not in.
- We ____ (fish) by the river.