G41是刀具半径补偿,又叫左补偿,既刀具沿进给方向的运行在工件左边。

题型:判断题

问题:

G41是刀具半径补偿,又叫左补偿,既刀具沿进给方向的运行在工件左边。

考点:加工中心操作工考试高级加工中心操作工高级加工中心操作工题库
题型:判断题

堤岸防护工程一般可分为()等。

A.坡式护岸

B.坝式护岸

C.堤式护岸

D.墙式护岸

E.台阶式护岸

题型:判断题

     Peter was a small boy.He lived with his parents in a small house near some hills.The people there

were all poor.

    One night it was very dry and windy.

    When everybody was asleep,Peter suddenly heard some noise.It came out from the kitchen(厨房).

He got up and walked to the kitchen.He found that the wood beside the stove(火炉)was burning.

There was no water tap(水龙头)in the house,so he could not put out(扑灭)the fire.He shouted loudly

to wake up everyone in the house.They all left their houses quickly.

    At last the fire was put out by the firemen.Many houses were burnt.But nobody was hurt in the fire.

1.Peter lived with his ________.

A.sisters

B.brothers

C.uncles

D.parents

2.One night he found that ________ beside the stove was burning.

A.the table

B.the wood

C.the door

D.the window

3.________,so he could not put out the fire.

A.Everybody was asleep

B.He couldn't shout loudly

C.The kitchen was very big  

D.There was no water tap in the house

4.Peter knocked on the doors of many houses ________.

A.to wake the people up

B .to get some water

C.to find his classmates

D.to visit them

5.________ hurt in the fire.

A.People in other houses were

B.Peter's parents were  

C.Nobody was

D.Peter was

题型:判断题

患者男,45岁,半年前因“视物模糊”来诊,检查发现颅咽管瘤,立即行颅咽管瘤手术治疗。但2个月后肿瘤复发,再次入院行γ刀治疗。此次治疗后一直乏力、食欲减退、恶心,并有经常性的发热,没有明确的感染病灶。第3次入院检查发现垂体ACTH、皮质醇、生长激素、甲状腺素及睾酮水平下降,ITT峰值<5ng/L。

如果该患者用重组人生长激素治疗,监测治疗效果的指标是()。

A.骨密度

B.肌力

C.清晨8点血清生长激素

D.IGF-1和IGFBP-3

E.血清瘦素

F.空腹胰岛素

题型:判断题

1908年,美国决定将一部分赔款退还给中国以发展留美教育,史称( )。

A.壬款兴学

B.辛款兴学

C.庚款兴学

D.戊款兴学

题型:判断题

将药物用湿纸包住置于热火灰中进行加热的方法被称为()。

A.烧

B.烤

C.煨

D.炙

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