下面是关于Pentium微处理器实地址模式和虚拟8086模式的描述,其中错误的是:A

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问题:

下面是关于Pentium微处理器实地址模式和虚拟8086模式的描述,其中错误的是:

A.这两种模式总是具有相同的物理地址空间

B.在这两种模式下都可以运行16位应用程序

C.虚拟8086模式具有保护机制,而实地址模式下无此功能

D.虚拟8086模式下的程序在最低特权级3级上运行,而实地址模式下运行的程序不分特权级

考点:计算机等级考试PC技术国家计算机三级(PC技术)77
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根据《药品注册管理办法》,初步评价药物对目标适应证患者的治疗作用和安全性的临床试验属于()

A.Ⅰ期临床试验

B.Ⅱ期临床试验

C.Ⅲ期临床试验

D.Ⅳ期临床试验

E.生物等效性试验

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如图所示是小运动员在进行体育比赛的情景,请你观察图片,提出两个与物理有关的问题,并对提出的问题进行解答。

问题1:_________________________________________________

解答:_________________________________________________

问题2:_________________________________________________

解答:_________________________________________________

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I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.

It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop"

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) She had only one small, flat bag with a few candies—fiftycent candies I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

9().

A.improvement 

B.problem 

C.surprise 

D.excitement

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以下特性中不是交流同步发电机的重要特性的是()。

A.功角特性

B.调速特性

C.V形曲线

D.起动方式和特性

题型:单项选择题

疼痛部位抽掣牵引作痛,属于()。

A.掣痛

B.空痛

C.灼痛

D.刺痛

E.隐痛

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