采掘工作面遇到下列情况之一时,必须确定探水线的探水()A、接近水淹或可能积水的井巷、

题型:多项选择题

问题:

采掘工作面遇到下列情况之一时,必须确定探水线的探水()

A、接近水淹或可能积水的井巷、老空或相邻煤矿时、

B、接近含水层、导水断层、溶洞和导水陷落柱时

C、打开隔离煤柱放水时

D、接近有出水可能的钻孔时

考点:口腔执业医师钻探工考试钻探工考试题库
题型:多项选择题

It is easy for some people to learn a second language. However, others have difficulty in learning a new language. What can you do to help yourself learn a second language, such as English?__小题1:__

1.Feel positive about learning English.__ 小题2:__Be patient. You do not have to understand everything all at once. It is natural to make mistakes when you learn something new. We can learn from our mistakes. In other words, do not worry about making mistakes.

2.Practice your English. For example, write a diary every day. You will form a habit of writing it in English, and you will feel comfortable expressing your ideas in English.__ 小题3:__ In addition, you must speak English every day. You can practice with your classmates outside class.

3.__小题4:_You can write this in your journal. After each class, think about what you did. Did you answer a question correctly? Did you understand something the teacher explained? Perhaps the lesson was difficult, but you tried to understand it.

You must be positive about learning English and believe that you can do it. It is important to practice every day and make a record of your achievements.__ 小题5:__

A.Go over the points you have learned.

B.Keep a record of your language learning.

C.Don't give up when you meet some difficulty.

D.If you believe that you can learn, you will learn.E. Several weeks later, you will see that your writing is improving.

F. In these ways, you will enjoy learning English, and you will feel more confident in yourself.

G. There are several ways to make learning English a little easier and more interesting.

题型:多项选择题

企业以一笔款项购入多项没有单独标价的固定资产时,应按各项固定资产公允价值的比例对总成本进行分配,分别确定各项固定资产的成本。()

题型:多项选择题

(1).木瓜()。
(2).独活()。
(3).防己()。
(4).蕲蛇()。

A.祛风湿,止痛,解表

B.祛风湿,利水消肿

C.舒筋活络,化湿和中

D.祛风通络,定惊止痉

题型:多项选择题

干熄焦的优点主要体现在()。

A、利用红焦显热生产具有动力参数的蒸汽

B、改善冶金用的焦炭

C、基建投资和生产成本较低

D、减少环境污染

题型:多项选择题

钻夹具中夹紧装置的作用是为了()。

A.保证工件有准确的定位

B.保证工件在加工时不会移动

C.保证刀具准确的引导方向

更多题库