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问题 单项选择题

一个函数为void(int,char='a')，另一个函数为void f(int)，则它们( )。

A．不能在同一程序中定义

B．可以在同一程序中定义并可重载

C．可以在同一程序中定义，但不可以重载

D．以上说法均不正确

答案

参考答案：C

单项选择题

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.

3().

A.exit 

B.turning 

C.crossing 

D.entrance
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多项选择题

老塔进料阀关不严的危害（）

A、系统压力降低，影响石油焦质量

B、产生串油着火

C、冷焦时易串水，造成生产塔压力突然升高，安全阀蹩跳

D、易使进料阀体结焦
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