下列关于激素作用的原理,错误的是()A.激素为第一信使 B.cAMP为第二信使 C.

题型:单项选择题

问题:

下列关于激素作用的原理,错误的是()

A.激素为第一信使

B.cAMP为第二信使

C.激素必须与受体结合才能起作用

D.激素是通过酶发挥生理效应的

E.类固醇激素的作用较含氮激素快

考点:麻醉(医学高级)凝血监测与内分泌系统疾病的诊治凝血监测与内分泌系统疾病的诊治题库
题型:单项选择题

被告人王某故意杀人案经某市中级法院审理,认为案件事实清楚,证据确实、充分。

请根据下列条件,回答以下问题。

如王某被判处死刑立即执行,下列选项正确的是()。

A.核准死刑立即执行的机关是最高法院

B.签发死刑立即执行命令的是最高法院审判委员会

C.王某由作出一审判决的法院执行

D.王某由法院交由监狱或指定的羁押场所执行

题型:单项选择题
口算:
2005-1998=
1.6×0.05=5.7÷0.19=0.125×0.7=
5
8
÷
2
3
=
2
3
÷6=
21
85
÷
35
34
=
40×
16
39
=
1
2
÷
1
3
=
3
4
×12=
17
38
×
19
51
=
7
25
×201-
7
25
=
题型:单项选择题

在某星球表面以初速度v0竖直上抛一个物体,若忽略其它力的影响,设物体只受该星球引力作用,该物体上升的最大高度为h,已知该星球的直径为d,万有引力恒量为G,则可推算出这个星球的质量为[ ]

A.      

B.      

C.        

D.

题型:单项选择题


A How to Use a Painting Knife 使用画刀的方法
Painting with a knife is a bit like putting butter on bread and produces quite a (1) result to a brush. Painting knives are excellent for producing textured, impasto work and (2) areas of flat colour.
What’s the difference between a palette knife and a painting knife
A palette knife is a long, straight spatula that is used (3) mixing paints and scraping a palette clean. They’re made from metal, plastic, or wood and (4) either be completely straight or have a slightly bent handle. A painting knife has (5) large crank in the handle, which takes your hand away from the painting surface. They (6) in numerous shapes(for example pear-, diamond-, or trowel-shaped) and are used for painting (7) of a brush. The edge of the knife is blunt, so that it doesn’t cut the (8) .
·What shape of painting knife should I use
Different shaped painting knives produce different effects. For example, a short blade produces angular strokes (9)a long blade makes it easy to put down sweeps of colour.
·Why can’t I use a palette knife to paint with
You can. Painting (10) just have the advantage of coming in more angular shapes and with sharper points. And (11) larger crank in the handle means there’s less chance of rubbing your knuckles into wet (12) . If you’re unsure whether you’re going to enjoy painting with a knife, first buy a (13) , plastic palette knife and experiment a bit with this before upgrading to a wood-and-metal knife.
·How do I use painting knife
(14) the handle firmly so you’re got good control. Pick up some paint off your palette (15) the tip, as you’d pick up some butter with a knife. Use the side of the (16) to spread paint across your canvas, or press it onto the canvas, as you (17) spread butter across a slice of bread.It’ll seem strange at first as it’s quite (18) to using a brush. Using just the tip of the blade will produce small dots. (19) the edge of the knife down will produce fine lines. Pressing the blade flat down (20) the paint will produce ridges. Scrape back into the paint to reveal underlying layers (called sgraffito).

题型:单项选择题

2岁女童,低热1月,消瘦,乏力,颈淋巴结肿大,肺无音,出生接种过卡介苗,PPD(+++),胸片示右肺可见哑铃状阴影,最可能的诊断是

A.霍奇金淋巴瘤
B.原发综合征
C.支气管淋巴结结核
D.支原体肺炎
E.传染性单核细胞增多症

更多题库