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问题 单项选择题

PC/XT机中若对从片8259A写入的ICW2是70H，则该8259A芯片的IRQ5的中断矢量存储的地址是（）。

A.75H

B.280H

C.300H

D.1D4H

答案

参考答案：D

选择题

After a long and tiring flight, Mr. Ritz was frustrated at the news _____ his luggage had been sent to Hong

Kong by mistake. [ ]

A. that

B. which

C. what

D. because

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单项选择题

朱子理学体系中“理”是？（）

A.文化范畴

B.伦理范畴

C.最高哲学范畴

D.经济范畴
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