以下哪些情况下应补充润滑油（）A、更换冷凝器 B、对制冷装置的制冷剂进行了回收 C、更换

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.

11().

A.care 

B.control 

C.charge 

D.pride

下列选项中，符合《海商法》所指的船舶的是（）。

A.商用油轮

B.海军军舰

C.政府公务用船舶

D.20吨以下的船

如图所示为某物体做直线运动的v-t图象，关于该物体在前4秒内运动情况，下列说法中正确的是（　　）

A．物体始终朝同一方向运动

B．物体的速度变化是均匀的

C．物体的速度在开始2s内是减少的

D．4s内物体的位移是4m

上消化道大出血伴休克时，首要的治疗措施是

A．放置胃管注入止血药物

B．平卧位，下肢抬高并予吸氧

C．紧急胃镜止血

D．积极补充血容量

E．静脉注入奥美拉唑

A商业企业采用零售价法计算期末存货成本。2006年5月该企业月初库存商品成本为 7875万元，售价总额为11250万元；本月购进库存商品成本为16425万元，售价总额为 22500万元；本月销售收入总额为27000万元。该企业月末存货成本为( )万元。

A．4826.55

B．4725

C．4860

D．4927.5