钻削精密孔时,精孔钻应磨出正刃倾角,使切屑流向未加工表面。

题型:判断题

问题:

钻削精密孔时,精孔钻应磨出正刃倾角,使切屑流向未加工表面。

考点:中级钳工中级钳工题库
题型:判断题

阅读理解。

     Do you know Tian Liang? He is a Chinese diving player. He was born in 1979 in Chongqing. He likes diving

as he was a little boy. He began his training in diving when he was seven. Tian Liang had a good coach at

primary school. He is Xu Zelu. Tian Liang has been a member of the national team since 1993. He became the

most important member since Xiong Ni and Fu Mingxia left the team.

     Tian Liang won the gold medal in the men's 10-metre platform diving and set a new world record at the

Sydney Olympic Games. His Chinese fans call him"Diving Prince". He won two Olympic gold medals, three

world titles and 15 World Cups in his career (事业). But now Tian Liang isn't in the Chinese diving team any

longer.

1. Tian Liang began his training in diving ______.

A. in 1979

B. in 1986

C. in 1987

D. in 1993

2. Tian Liang's coach was _______ at primary school.

A. Xiong Ni

B. Fu Mingxia

C. Guo Jingjing

D. Xu Zelu

3. He joined the national team at the age of ______.

A. 7

B. 10

C. 14

D. 17

4. He won the gold medal in the men's _____ at the Sydney Olympic Games.

A. 3-metre platform diving

B. 10-metre platform diving

C. 3-metre springboard

D. 10-metre springboard

5. Tian Liang won _______ Olympic gold medals in his career.

A. two

B. three

C. five

D. fifteen

题型:判断题

从装有3个红球、2个白球的袋中任取3个球,则所取的3个球中至少有1个白球的概率是()。

A.A

B.B

C.C

D.D

题型:判断题

缺失者,义齿的支点线形式为()

A.直线式

B.斜线式

C.横线式

D.纵线式

E.平面式

题型:判断题

塑钢窗安装描述正确()

A.固定片厚度不小于1.5mm并应做镀锌处理;

B.可用螺栓穿框固定;

C.固定点距窗角、中横框、中竖框150~200mm;

D.固定点间距应大于700mm

题型:判断题

下列现象在纺织业中出现的先后顺序是:()

①用丝做衣料②私营纺织作坊兴起

③出现自由劳动力市场④棉花种植推广到闽粤地区

A.①②③④

B.①③②④

C.①②④③

D.①④③②

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