未分类题
组织学上有关色素痣可疑恶变的指征的叙述,下列哪些是正确的( )
A.表皮上部出现单个或成群黑素细胞
B.真皮表皮交界处的痣细胞呈不典型增生,排列成巢状
C.痣细胞在真皮深层的细胞不变小
D.痣细胞核深染、增大、形态不规则
E.痣细胞不规则分布于基底细胞层
【参考答案】
A,B,C,D,E
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单项选择题
HappinessHappiness can be described as a positive mood and a pleasant state of mind.According to recent polls sixty to seventy percent of Americans consider themselves to be moderately happy and one in twenty persons feels very unhappy. Psychologists have been studying the factors that contribute to happiness. It is not predictable nor is a person in an apparently ideal situation necessarily happy. The ideal situation may have little to do with his actual feelings.A good education and income are usually considered necessary for happiness. Though both may contribute, they are only chief factors if the person is seriously under-educated or actually suffering from lack of physical needs.The rich are not likely to be happier than the middle-income group or even those with very low incomes. People with college education are somewhat happier than those who did not graduate from high school, and it is believed that this is mainly because they have more opportunity to control their lives. Yet people with a high income and a college education may be less happy than those with the same income and no college education.Poor health does not rule out happiness except for those very weak or in pain. Learning to cope with a health problem can contribute to happiness. Those with a good sex life are happier in general, but those who have a loving affectionate (温柔深切的) relationship are happier than those who rely on sex alone. Love has a higher correlation (相互关联) with happiness than any other factor.It should be noted that people quickly get used to what they have, and they are happiest when they feel they are increasing their level no matter where it stands at a given time.Children whose parents were happily married have happier childhoods but are not necessarily happier adults. The best formula for happiness is to be able to develop the ability to tolerate (忍受) frustration, to have a personal involvement and commitment, and to develop self-confidence and self-esteem.According to the article, happiness depends mainly uponA.whether one had a happy childhood.B.whether one has great wealth.C.whether one feels that things are changing for the better.D.whether one has good parents.
A.
According
B.
A
C.
The
D.
Poor
E.
It
F.
Children
G.
According
H.whether
I.
B.whether
J.
C.whether
K.
D.whether
L.
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单项选择题
一般认为,对编程语言的性能要求有 Ⅰ.一致性 Ⅱ.无二义性 Ⅲ.简洁性 Ⅳ.局部性 Ⅴ.线性 但当逻辑操作中出现很多分支或多个循环时,则违反了要求A.Ⅰ和ⅡB.Ⅱ和ⅢC.Ⅲ和ⅣD.Ⅴ
A.一致性
B.无二义性
C.简洁性
D.局部性
E.线性
F.Ⅰ和Ⅱ
B.Ⅱ和Ⅲ
C.Ⅲ和Ⅳ
D.Ⅴ
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