缺失,可摘局部义齿修复,为基牙,弯制卡环可采用() A.间隙卡环 B.单臂卡环 C.

题型:单项选择题

问题:

缺失,可摘局部义齿修复,为基牙,弯制卡环可采用()

A.间隙卡环

B.单臂卡环

C.长臂卡环

D.对半卡环

E.三臂卡环

考点:口腔五官科主治医师口腔颌面相关专业知识中级口腔主治医师口腔颌面外科学相关专业知识3
题型:单项选择题

从距地面高h处水平抛出一质量为m的水球,小球落地点至抛出点的水平距离刚好等于h,若不计空气阻力,则小球的初速度大小为

A.

B.

C.

D.

题型:单项选择题

打开一个表应该使用的宏操作是______。

题型:单项选择题

句型转换。

1. He never watches programmes about animals. (就画线部分提问) 

    ________ ________ does he watch programmes about animals?

2. I saw and heard something in the dark room. (改为否定句)

   I ________ see ________ hear anything in the dark room.

3. The girl looks good in red and purple. (保持句意基本不变)

    Red and purple ________ good ________ the girl.

4. I can't decide where I will spend my coming holiday. (保持句意基本不变)

    I can't decide ________ ________ spend my coming holiday.

5. The famous director chose Hepburn to play the lead role of a young princess. (改为被动语态)

    Hepburn ________ ________ to play the lead role of a young princess by the famous director.

题型:单项选择题

税务机关可以行使税收撤销权的情形是( )。

A.纳税人怠于行使其到期债权

B.纳税人无偿转让财产

C.纳税人以低价转让财产

D.欠缴税款的纳税人无偿转让财产

题型:单项选择题

携带爆炸材料的人员乘罐时,井口、井底进车侧的阻车器必须闭合,严禁一切车辆通向井口,在进口()范围内不准停放车辆。

A.4

B.5

C.6

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