对于静定结构,支座沉陷、温度变化、制造误差等均不会产生内力和位移。
参考答案:错
解析:对于静定结构,支座沉陷、温度变化、制造误差等不会产生内力,只产生位移。
After the accident a policeman was appointed to _________ the cause of the big fire.[ ]
A. look for
B. look after
C. look into
D. look upon
企业应纳所得税额等于本年度利润总额乘以适用的所得税税率。()