为了减小支持组织负荷,在选择人工后牙时下面正确的做法是() A.增加颊舌径,增加排溢

题型:单项选择题

问题:

为了减小支持组织负荷,在选择人工后牙时下面正确的做法是()

A.增加颊舌径,增加排溢沟

B.减小颊舌径,增加排溢沟

C.增加轴面凸度,

D.减小轴面凸度

E.增加人工牙的数量

考点:广西口腔住院医师规范化培训口腔修复学口腔修复学题库
题型:单项选择题

阅读理解,阅读下面短文,完成每个句子。

                                                         One of world's most important foods

     Ji Wei's family grows rice on their farm .Rice is one of the world's most important foods. More than

 half of the people in the world eat rice with every meal. In some languages in Asia , the same word means

  eat and eat rice.

     Like wheat and corn , rice is a kind of grass. Rice likes to grow in warm, wet places. China and India

 grow the most rice. Together , China and India grow more than half of the rice in the world.

1. Rice is one of the word's most _____ foods.

2. More than ______ of the people in the world eat rice _____ _____ _____ .

3. In some _____ in _____ , the same word means _____  and _____ _____ .

4. Rice is kind of _____ .

5. _____ and _____ are also a kind of _____ .

6. Together, China and _____ grow more than _____ _____ the rice _____ _____ _____ .

题型:单项选择题

操作系统的设计目标之一是正确性,下列( )因素不会影响该目标。

A.并发性

B.共享性

C.高效性

D.随机性

题型:单项选择题

符合结构化原则的3种基本控制结构为______、选择结构和循环结构。

题型:单项选择题

一辆额定功率为P0的汽车,在平直的公路上以速度V0开始匀加速行驶(此时还未达到额定功率),经过一段时间t0,恰好达到最大速度Vmax.设此过程该汽车所受的阻力恒为f,汽车发动机的输出功率为P,汽车所受的牵引力为F,汽车行驶的瞬时速度为V,运动的加速度为a,则以下物理图象中能正确描述该汽车此时间内运动状况的是(  )

A.

B.

C.

D.

题型:单项选择题

下列关于荧光灯特征的表述,错误的是()。

A.额定功率范围为6~125W

B.启动稳定时间为1~3s

C.平均寿命为2000~3000h

D.再启动时间为5~15s

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