简述解除水泥卡钻的具体做法。

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问题:

简述解除水泥卡钻的具体做法。

考点:井下作业工井下作业工技师井下作业工技师题库
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创造性思维的策略和方法中,( )的主要目的是发展学生的想象力和对事物的敏感性,并促使学生深入思考,灵活应对。

A.头脑风暴训练
B.自我设计训练
C.推测与假设训练
D.发散思维训练

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对于高危妊娠患者的护理措施描述正确的是()。

A.增加营养,保证胎儿发育需要

B.胎儿增长过快者需控制饮食

C.卧床休息,一般取左侧卧位

D.注意个人卫生,勤换衣裤

E.室内空气新鲜,通风良好

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     While in Banff ,make time for a walk around town. A special treat is to go up the mountainside on the

Banff Gondola for a surprising view of the valley below .Here is The Pines ,whose cook has developed a

special way of mixing foreign food such as caribou ,wild boar ,and reindeer with surprising sauces .

     Best time to visit is during the off-season ,from early May to mid-June ,or in October .This way you

can avoid sharing the high way with mobile(移动的)homes which can be pulled by cars .But whatever

the season ,take some lunch with you from Banff ,because there are only a few food stops on the road.

     Forty minutes north of Banff ,side by side with the Banff National Park ,sits world-famous Lake

Louise .This surprisingly small body of water is attractive with towering mountains around it .Glaciers ,

huge masses of ice ,moving very slowly against rocks ,produce what is called glacier rock flour ,making

its water dark to see .It is worth taking a walk around the grounds of the Chateau Lake Louise ,another

beauty ,proud of its early 20th century history.

     Back on the road , and it's time to continue north past the astonishing Columbia Icefield ,then turn off

the highway and take the short road to the base of the Athabaska Glacier .You can rent ice cleats(夹板)

and do some climbing or do a more pleasant snowmobile tour .Either way ,you can enjoy endless beautiful sights.

     Finally you'll reach Jasper ,the usual turning around the place for the Banff-Jasper loop(回路).It's

worth riding the Jasper Skytram ,and be sure to visit the wonderful Jasper Park Lodge ,also dating back

to the 1920s.If you can have lunch there ,do it .The restaurant has an adventurous menu and their wine

list would put a smile on any visitor's face.

1. According the passage ,The Pines is a ________.

A. place in which you can see many mobile homes

B. mountain where you can get a good view of the valley

C. town which happens to be near the Banff National Park

D. restaurant where you can ask for some special kinds of food

2. What will probably happen when visitors come at the end of June?

A. They may have trouble finding a restaurant.    

B. They may come across traffic jams.

C. They may travel more easily with cars.        

D. They may do much more sightseeing.

3. Similar to the Chateau Lake Louise,________.

A. the Banff National Park is to the west of Banff

B. the Columbia Icefield lies between Lake Louise and the Banff National Park

C. the Jasper Skytram  has a history of more than 80 years

D. the Jasper Park Lodge was built in the 1920s

4. Besides the beautiful sights in Jasper Park Lodge ,visitors to Jasper can enjoy themselves by _____.

A. taking the Jasper Skytram and eating in the restaurant

B. taking the Banff-Jasper loop and Jasper Skytram

C. having a lot of food to order in the restaurant

D. taking the Jasper Skytram back to Banff

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用氟离子选择性电极测定溶液中F-离子含量时,主要干扰的离子是()

A.卤素离子

B.NH+4

C.Al3+离子

D.Na+离子

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当灯具重量超过三公斤时应采用()固定。

A.预埋螺栓或吊钩

B.尼龙涨塞

C.链吊

D.管吊

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