顺时针圆弧插补(G02)和逆时针圆弧插补(G03)的判别方向是:沿着不在圆弧平面内的

题型:判断题

问题:

顺时针圆弧插补(G02)和逆时针圆弧插补(G03)的判别方向是:沿着不在圆弧平面内的坐标轴负方向向正方向看去,顺时针方向为G02,逆时针方向为G03。()

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题型:判断题

超声图(彩图10)为妊娠34周时,羊水内见管道结构漂浮(横切面),最可能的诊断是()。

A.脊柱裂

B.脐膨出

C.淋巴管囊肿

D.单脐动脉

E.正常声像图

题型:判断题

在“大摄,骨枯而血沍”中,“沍”之义为()

A.横亘

B.模糊

C.停滞

D.横流

题型:判断题

应激性溃疡的首发表现为()。

题型:判断题

David Beckham was born in 1975,in London, at a place called Leytonstone. When he was a young boy, his greatest passion was football, he played it whenever he had the chance. Sometimes he would go and watch a game with his friends. When David Beckham was 12 years old, he won the Bobby Chariton Soccer Skills award. This was an important step forward for this young boy, and it led him to go for a visit to a football training camp in Spain. As a boy he played for the schools of Essex and also for his county team.

In 1991, he became a trainee with Manchester United. This meant that he could practice football as much as he wanted to and play for the highly successful Manchester United Youth Cup team and Under-21 team. In April, 1995, he played his first football leagues game against Leeds United. During 1995 and 1996, David became a regular member of the team and Manchester United won it both football seasons, with David scoring many goals.

His goals made him a household name. In the first game of the 1996-1997 season, he scored an surprising goal from beyond the halfway line; seeing the goalkeeper the goal, it was a wonderful goal and Beckham sent the ball over the goalkeeper’s head and into the goal. It was a wonderful goal and Beckham became famous overnight. He continued to score astonishing goals, especially from free-kicks. The speed of one of his shots was timed at 157 kph. He also had the ability to make the ball go from left to right, or right to left, whenever he chose,. Goalkeepers were never sure where the ball was going, and it regularly ended up in the goal.

小题1:Which word can take the place of the underlined word “passion” in paragraph1?

A.Skill

B.Prize.

C.Success.

D.Interest.小题2:Which of the following shows the right order of what happened to Beckham/

a. Beckham played his first football league game.

b. Beckham won the Bobby Charlton Soccer Skills award

c. Beckham played for Manchester United Youth Cup team

d. Beckham went to Spain to join a football training camp

e. Beckham played for the schools of Essex.

A.e, b, a, d, c

B.e, d, a, c, b

C.b, d, e, c, a

D.b, e, d, a, c小题3:The passage is mainly talking about____.

A.when Beckham became famous all over Britain

B.how Beckham became a successful football player

C.why Beckham could win in football league games

D.what abilities Beckham had to score so many goals

题型:判断题

导热系数是衡量物质导热能力的物理量。一般来说()的导热系数最大。

A、金属;

B、非金属;

C、液体;

D、气体。

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