恶性肿瘤分级的主要依据是()。 A.肿瘤的生长速度 B.是否有转移 C.肿瘤细胞的异

题型:单项选择题 A1型题

问题:

恶性肿瘤分级的主要依据是()。

A.肿瘤的生长速度

B.是否有转移

C.肿瘤细胞的异型性

D.肿瘤体积的大小

E.肿瘤的生长方式

考点:肿瘤学(医学高级)肿瘤学综合练习肿瘤学综合练习题库
题型:单项选择题 A1型题

如图是A,B,C三个轻质塑料小球的相互作用情况,若A带正电,则C的带电情况是(  )

A.一定带正电

B.一定带负电

C.可能不带电

D.无法判断

题型:单项选择题 A1型题

写出下列电离方程式

(1)NH4Cl___________________ (2)NaHCO3___________________

(3)NH3•H2O___________________

题型:单项选择题 A1型题

与温里药“补火助阳、温里祛寒”功效相关的药理作用中,不正确的是()

A.强心

B.抗炎

C.扩血管

D.升高血压

E.增强交感神经-肾上腺系统

题型:单项选择题 A1型题

家兔耳缘静脉注射20%乌拉坦进行全身麻醉时常用剂量是().

A、2.5mg/kg

B、5mg/kg

C、10mg/kg

D、15mg/kg

题型:单项选择题 A1型题

Green space facilities are contributing to an important extent to the quality of the urban environment. Fortunately it is no longer necessary that every lecture or every book about this subject has to start with the proof of this idea. (46)At present it is generally accepted , although more as a self-evident statement than on the basis of a closely-reasoned scientific proof. The recognition of the importance of green space in the urban environment is a first step on tile right way. (47)This does not mean, however, that sufficient details are known about the functions of green space in towns and about the way in which the inhabitants are using these spaces. As to this rather Complex subject I shall, within the scope of this lecture, enter into one aspect only, namely the recreative function of green space facilities.

(48) The theoretical separation of living, working, traffic and recreation which for many years has been used in town-and-country planning, has in my opinion resulted in disproportionate attention for forms of recreation far from home, whereas there was relatively little attention for improvement of recreative possibilities in the direct neighborhood of the home. (49)We have come to the conclusion that this is not right, because an important part of the time which we do not pass in sleeping or working, is used for activities and around home. So it is obvious that recreation in the open air has to begin at the street door of the house.

(50)The urban environment has to offer as many recreation activities as possible, and the design of these has to be such that more obligatory activities can also have a recreative aspect. The very best standard of living is nothing if it is not possible to take a pleasant walk in tile district, if the children cannot be allowed to play in the streets, because the risks of traffic are too great, if during shopping you can nowhere find a spot for enjoying for a moment the nice weather, in short, if you only feel yourself at home after the street-door of your house is closed after you.

(46)At present it is generally accepted , although more as a self-evident statement than on the basis of a closely-reasoned scientific proof.

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