Im to______for this minor accident, and it has nothing to do with anyone else.
A. respond
B. charge
C. accuse
D. blame
根据人体热舒适状态的要求，飞机座舱空调温度范围是：
A. 17°C-4°C
B. 33°C-34°C
C. 10°C-12°C
D. 25°C-30°C
【C18】
A. as
B. upon
C. of
D. at
挡墙地基纵向坡度大于5%时，基底应做成台阶形。()
微信支付 
支付宝支付