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问题 多项选择题

持票人在法定提示付款期限内提示付款，具有的效力是（）

A.持票人可以保全对其前手的追索权

B.付款人有时间准备款项

C.承兑人或付款人一经持票人提示，就应向持票人付款

D.承兑人有时间准备款项

答案

参考答案：A, C

单项选择题

在嵌入式处理器中，CACHE 的主要功能由（29）实现；某32 位计算机的CACHE 容量为16KB（B：字节），CACHE 块的大小为16B（B：字节），若主存与CACHE 地址映像采用直接映像方式，则主存地址为0x1234E8F8 的单元装入CACHE 的地址（30） ；在下列 CACHE 替换算法中,平均命中率最高的是（31） 。

A．00010001001101

B．01000100011010

C．10100011111000

D．11010011101000
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单项选择题

The first time I remember noticing the crossing guard was when he waved to me as I drove my son to school. He (31) me with a puzzle-all because he waved to me like someone does on seeing a close friend. A big, (32) smile accompanied his wave. For the next few days I tried tO study his face to see if I knew him. I didn’t. Perhaps he had (33) me for someone else. By the time I contented myself with the conclusion that he and I were strangers, we were greeting each other warmly every morning like old friends.

Then one day the (34) was solved. As I approached the school he was standing in the middle of the road (35) his stop sign. I was in live behind four cars. Once the kids had reached the safety of the sidewalk, he lowered his sign and let the cars (36) . To the first he waved and smiled in just the same way he had done to me over the last few days. The kids already had the window down and were happily waving their reply. The second car got the same (37) from the crossing guard, and the driver, a stiff-looking businessman, gave a brief, almost awkward wave back. Each following car of kids on their way to school (38) more heartily.

Every morning I continued to watch the man with interest. So far I haven’t seen anyone (39) to wave back. I find it interesting that one person can make such a difference to so many people’s lives by doing one simple thing like waving and smiling warmly. His (40) armed the start of my day. With a friendly wave and smiling fade he had changed the feelings of the whole neighbourhood.

37（）。

A. idea

B. reply

C. notice

D. greeting
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