施工企业期间费用包括( )。A．施工生产费 B．管理费 C．原材料消耗 D．营业费

根据《支付结算办法》的规定，汇款人委托银行将其款项支付给收款人的结算方式是()

A、汇兑结算方式

B、信用证结算方式

C、托收承付结算方式

D、委托收款结算方式

-----I called you at about half past eight last night but nobody answered.

-----Oh, I _____ in my office at that time.

A．will work

B．had worked

C．worked

D．was working

文段改错，判断下列每行是否有错，如果有请找出并改正（每行最多有一处错误）.

     My name is Tony, I lives in Beijing, China with my                  (1)_______________   

parents. I have a Chinese friend. He’s name is Daming. I’m 13    (2)________________ 

years old and he is 12 years old. We like music but sports. My    (3) ________________

favorite sport star are David Beckham. His favorite singer is Adu.  (4) ________________

This evening, we are going watch a football match at Hongkou     (5) ________________

Stadium. .

产道异常包括______________及______________。

直流场刀闸马达电机电源为（）。交流滤波器场刀闸马达电机电源为：（）。

A.交流，直流

B.直流，交流

C.直流，直流

D.交流，交流