题目内容

Direction: Complete each unfinished sentence with a word, phrase, or structure from the box in the proper form.apart from, run up a large account, become engrossed, rush, be tempted, tell off, can be most enjoyable, to one’s surprise, desire, to their hearts’content, end up with, totally unaware, inevitable greeting, wander, irresistible1.Frank Young, a rich businessman, began his career in business by working as a salesman in a large store. He put all the odds and ends on one table with a sign which said: Any Article On This Table---Five Cents. _____1_______, people _____2____ to buy them and he realized that people’s ____3_____ to get “bargains”was ___4_____. He soon opened his own store. He set out goods to attract customers, making them feel that time spent in his store _____5________. He let his customers ____6______ round his store ______7____ without the ______8______ “Can I help you, Sir?”from the assistants. Customers were sure to _____9_____ to buy low-priced goods. In this way they often ____10_____ many articles which they didn’t really need. However, the customers seldom _____11______ and Frank Young would make no less money because it it profitable to buy large quantities of goods from the manufacturer and to sell them at low prices.

查看答案
更多问题

Jack Alva was not a good student at school and he ___1_____ often ____2_____ by his teacher. However, he had a small chemistry laboratory at home. When he was doing an experiment in his lab, he ___3_______ in his experiment, and was often ____4______ of what was happening around him. ____5______ being interested in chemistry, he also became good at electrical engineering.

微机系统中若用4片8259A构成主、从两级中断控制逻辑,接至CPU的可屏蔽中断请求线INTR上,最多可扩展为( )级外部硬中断。

A. 31
B. 29
C. 28
D. 24

8259A的OCW1----中断屏蔽字( )设置。

A. 在ICW之前
B. 只允许一次
C. 可允许多次
D. 仅屏蔽某中断源时

当采用( )输入操作情况下,除非计算机等待数据准备好,否则无法传送数据给计算机。

A. 无条件传送方式
B. 程序查询方式
C. 中断方式
DMA方式

答案查题题库