屋架的拉杆应进行（）验算。
A.正截面受弯
B.斜截面受弯
C.受压
D.受拉
参考答案：D
No one makes Mr. Green _____ so much work. But you can always find him _____ very late. [ ]
A. to do; working
B. do; to work
C. to do; to work
D. do; working
企业的资产总计中，非流动资产可分为______。
A．长期股权投资
B．应收账款
C．固定资产
D．无形资产
E．其他非流动资产
