全口义齿合适的磨光面外形的作用是() A.有助于恢复面部外形 B.有助于固位 C.有

题型:单项选择题

问题:

全口义齿合适的磨光面外形的作用是()

A.有助于恢复面部外形

B.有助于固位

C.有助于发音

D.有助于提高咀嚼效能

E.避免咬舌咬颊

考点:口腔修复(医学高级)医学高级口腔修复仿真试题(二十八)
题型:单项选择题

对脑动脉瘤破裂预后的估计,最重要的是()

A.脑动脉瘤的大小

B.血压上升的程度

C.意识障碍的程度

D.偏瘫的有无

E.脑动脉瘤的多少

题型:单项选择题

如图所示,传送带右端有一与传送带等高的光滑水平面,一行李包(可视为质点)以一定的初速度v0向左滑上传送带。传送带逆时针转动,速度为v=4m/s,且v<v0。已知行李包与传送带间的动摩擦因数μ=0.20,当传送带长度为L=12 m时,行李包从滑上水平传送带的右端到左端的时间刚好为t=2 s,皮带轮与皮带之间始终不打滑。不计空气阻力,g取10 m/s2。求行李包的初速度v0

题型:单项选择题

睡眠深度与唤醒阈之间的关系是()

A.睡眠越深,唤醒阈越高

B.睡眠深度与唤醒阈无关

C.睡眠越深,唤醒阈越低

D.以上说法全对

题型:单项选择题

卡特尔认为人格是由什么构成的()

A.人格特征

B.人格因素

C.根源特质

D.表面特质

E.人格特质

题型:单项选择题

(Ⅰ)

In the dining room of my grandfather’ s house stood his heavy clock. Meals in the dining room were a (21) for our four generations to become one. My grandfather’ s clock always stood like a trusted old family friend, (22) us playing jokes and tellingstories, which was already a (23) of our life.

When I was a child, the old clock interested me. I watched and listened to it during (24) I was surprised how at (25) times of the day, the clock would strike three times, six times or more, with a wonderful great (26) that echoed throughout the house. The clock chimed year after year, a part of my (27) , a part of my heart.

Even more (28) to me was my grandfather’s special action each day. He meticulously (29) the clock with a special key each day. The key was magic to me. It (30) our family’ s magnificent clock ticking and striking all year round.

29()

A. opened

B. wound

C. turned

D. started

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