During our two months on the road, Bennett and I had a really (1) experience with a good, honest (2) and some helpful mechanics.

We were driving east on Highway 10 when our "chick engine" light came on. We limped of a(n) (3) into Las Cruces. We had a real car (4) Bennett nursed the ear into a local garage. By this time the car was missing so (5) it was shaking all over. This was the (6) time to arrive at a garage—late Friday afternoon. Service adviser Scott was busy (7) paper work and customers as we (8) our problems. (9) he was already "ten cars behind", he told us to pull the car into the garage.

Lincoln, who we later (10) was one of the two motor technicians, took (11) of our car repairing. He and Scott and some other mechanics stayed several hours after closing, (12) the car.

Early the next morning (the shop was officially closed on Saturdays), Lincoln finally located the (13) and fixed it easily within only (14)

Later Scott (15) out to us that it was our attitude that helped. "You didn’t come into the place demanding this or that. You showed an (16) of our problems on a busy Friday afternoon. Customer’s attitude means a lot. " He was right in some way, customers should show (17) and understanding to people who (18) them. (19) people were extremely busy, they found way to at least try and help when they are met with politeness.

The pleasant experience I had shows that (20) for other people can always help.

17().

A.cruelness 

B.fairness 

C.calmness 

D.politeness

2005年3月20日，某公司对一项生产用机器设备进行技术改造。该设备账面原价为 7500万元，2004年12月31日该设备累计折旧为1500万元，已计提减值准备960万元，预计尚可使用寿命为6年，预计净残值为零，采用年限平均法计提折旧。技术改造过程中，领用工程物资4200万元，发生人工费用570万元。该设备于2005年10月25日改造完工并交付生产使用，改造后设备预计可收回金额为9800万元，预计尚可使用寿命为10年，预计净残值为零，仍采用年限平均法计提折旧。2005年度对该设备计提的折旧额为( )。

A．210万元
B．370万元
C．400万元
D．840万元