固定资产折旧，是对固定资产由于磨损和损耗而转移到产品中去的那一部分价值的补偿。( )
参考答案：对
用所给词的适用形式填空。
1. Tom can play the guitar, but he can't play it ______ (good).
2. —Can you swim?
—No, I______ (can)
3. We need help for ______ (we) school trip.
4. Lisa can ______ (speak) a little chinese.
5. There are many______ (club) in our school.
下图所示各对力中，相互平衡的是[ ]
A．
B．
C．
D．
