桥梁二等水准高程传递应采用中间设站三角高程测量法进行观测,前后视必须是同一个棱镜,观

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问题:

桥梁二等水准高程传递应采用中间设站三角高程测量法进行观测,前后视必须是同一个棱镜,观测时,棱镜高不变;仪器与棱镜的距离不宜大于100m,最大不应超过()m

A、50

B、100

C、150

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When I put a foot in the school for the first time, the thing that I will never forget is a big smile coming from the people of the reception. This is the kind of things that means a lot to you when you are feeling like a strange person in a country that you have never been, as it was in my case.

In the classes, I don’t know if I’m a lucky person, but the teachers that I have had, in my opinion, are excellent, very professional in their jobs, and they just seem to enjoy teaching, and make the lessons useful and classes amusing.

Another fact that I’ve really enjoyed is that the school is not only aimed at the English language knowledge. You can also find every kind of activity intended to entertain the students in their free time, with things like going to museums and galleries, visiting special places in the city or going to the very famous pub night to have a few beers with your friends. So here you have the opportunity to enjoy the stay in London, to meet new friends, and also to learn everything about the city and the British culture.

Personally, there are some facts that have not been easy for me since I arrived, like being so far away from my family, the differences between English food and the food I used to eat, and the high prices for everything. However, I am impressed about a very developed and multicultural city, with people aware of the sense of living in community, with a public transport amazingly thorough, with outstanding tourist places, with opportunities for work and with food from every part of the world that you can imagine.

I’ve experienced something priceless with my friends in London. Every time I made contact with my friends from another country, I learn about their culture. I was lucky to have such good friends. I think that time was a present for me.

小题1:What is the passage mainly about?

A.The author’s learning experience in London.

B.The friends the author made while in London.

C.The author’s progress in learning English.

D.The poor memories in a foreign country.小题2:When setting foot in the new country, the author ________.

A.felt the great pressure from foreigners

B.was uneasy in the unfamiliar environment

C.missed everything and everyone in his back home

D.had difficulty dealing with different cultures and customs小题3:Which of the following statements is TRUE according to the passage?

A.The author’s experience in London is worthless.

B.Schools in London focus on no activities.

C.The author had some difficulty in adapting to the life in London.

D.The teachers are easily confused by the international students.小题4:What did the author do besides his studies while in London?

A.He learned the differences between languages.

B.He got to know the city with different cultures.

C.He served at many outstanding tourists places.

D.He made contact with friends from his home.

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什么是血氧饱和度?

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影响和制约企业经营机制完善和健全的因素包括()

A.企业的经济地位

B.企业所有制形式

C.企业外部环境

D.企业人员素质

E.企业物质资源

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金融市场可以按照不同标准来分类,按交割时间不同可将其分为()。

A.有形市场和无形市场

B.短期金融市场和长期金融市场

C.现货市场和期货市场

D.票据市场、证券市场和外汇市场

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主要油料种子的结构?

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