正常的 * * 菌群中占优势的是()。 A.乳酸杆菌 B.棒状杆菌 C.大肠杆菌 D.类杆

题型:单项选择题 A1型题

问题:

正常的 * * 菌群中占优势的是()。

A.乳酸杆菌

B.棒状杆菌

C.大肠杆菌

D.类杆菌

E.梭状杆菌

考点:临床执业医师专业综合第五章女性生殖系统专业综合第五章女性生殖系统题库
题型:单项选择题 A1型题

已知集合A={x|x2+2x-a=0,x∈R}且A≠∅,则实数a的取值范围是(  )

A.a≤1

B.a≤-1

C.a≥1

D.a≥-1

题型:单项选择题 A1型题


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 A1型题

加速图形端口AGP是为高性能图形和视频支持而设计的一种专用总线。AGP1×模式的数据传输率为266.6MB/s,AGP2×模式的数据传输率为 【12】

题型:单项选择题 A1型题

某人购买了10万元的终身保险。在保险期间,不幸被一辆汽车意外撞死。按照有关法律规定,肇事司机应该赔偿其家属5万元。事后该被保险人的配偶持保单向保险公司索赔,保险公司对该案件的处理方式是( )。

A.赔偿10万元

B.先赔偿10万元,然后再向肇事司机追偿5万元赔款

C.赔偿5万元

D.不赔,因为不属于保险责任

题型:单项选择题 A1型题

周某因个人购买房屋向王某借款20万元。双方约定由李某作为保证人,周某还提供了刘某的一辆价值10万元的夏利小轿车作为抵押,双方办理了抵押登记。据此,回答下列问题。

若刘某的夏利车抵押时没有登记,则李某的保证责任范围为:

A.20万元

B.全部债务

C.10万元

D.除了10万元以外的全部债务

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