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问题 单项选择题

执行下列逻辑或运算：01010101∨10010010其运算结果是（）

A、00010000

B、11010111

C、11100111

D、11000111

答案

参考答案：B

单项选择题

I was reading Shirley Hazzard’s novel The Transit of Venus. Though I (51) her other books, I had always resisted this one. It (52) me as too pure somehow, too heroic, larger or finer than life and therefore unreal. But now I read it with an almost (53) pleasure. There were sentences that (54) of gratification to my eyes and (55) the hairs on the nape of my neck. I was in a Boston hospital, propped tip in bed with a feeding tube in my arm after (56) surgery for cancer. It was

(57) double room and my roommate, who (58) when he spoke because he had both a broken chin and a drug habit was spraying the air for the fourth or fifth time that day with (59) had a television set and a radio going (60) . The diagnosis of my case was ambiguous. When I asked the doctor the usual question-How much time have I got—he hesitated before answering. "I would say," he said, "that you have in the neighborhood of years.\

52().

A.stroke 

B.strike 

C.struck 

D.striking
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多项选择题

细集料的洁净程度，天然砂以小于( )mm含量的百分数表示。

A．0.050

B．0.075

C．0.085

D．0.095
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