有受力体时必有施力体。
参考答案:对
在卫星云图上,白色愈浓表示[ ]
A.地势越高
B.云层越厚
C.海底越深
D.风力越大
The girl _______ won the gold medal comes from Beijing Sunshine Secondary School. [ ]
A. who
B. which
C. what
D. whom