They can give a （）(耐磨的) surface and the requied color...

第1题

[单选题] There are several ways you can find out about the countries and places you wish to visit. You can talk to friends who have travelled to the places. Or you can go and see a colour film. Or you can read travel books. It would seem that there are three kinds of travel books. The first are those that give a personal, subjective (主观的) account of travels which the author has actually made himself, if they are informative and have a good index (索引), then they can be useful to you when you are planning your travels. The second kind are those books whose purpose is to give a purely objective (客观的)description of things to be done and seen. If a well-read, cultured person has written such a book, then it is even more useful. It can be sorted as a selected guide book. The third kind are those books which are called "a guide" to some place or other. If they are good, they will, in addition to their factual information, give an analysis or an explanation. Like the first

A、how to travel B、how to buy travel books C、how to read a travel book D、travel books

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第2题

[判断题] An exercise with heterogeneity can also have a positive effect on learner attitude and motivation. It provides an opportunity for the teacher to give slower or less confident students the approval and encouragement they need.（）

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第3题

[单选题] There are several ways you can find out about the countries and places you wish to visit. You can talk to friends who have travelled to the places. Or you can go and see a colour film. Or you can read travel books. It would seem that there are three kinds of travel books. The first are those that give a personal, subjective (主观的) account of travels which the author has actually made himself, if they are informative and have a good index (索引), then they can be useful to you when you are planning your travels. The second kind are those books whose purpose is to give a purely objective (客观的)description of things to be done and seen. If a well-read, cultured person has written such a book, then it is even more useful. It can be sorted as a selected guide book. The third kind are those books which are called "a guide" to some place or other. If they are good, they will, in addition to their factual information, give an analysis or an explanation. Like the first

A、the book written by some people who have had the same travel experience themselves B、the book which tells you what is worth doing and seeing based on the facts C、the book in which a lot of big adjectives are used to draw your attention D、the book which offers you a lot of useful information like a tour guide

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第4题

[单选题] Why are removable sleeves installed on centrifugal pump shafts?（）

A、They make it easier to replace the pump shaft packing B、They can be economically replaced as they wear out C、They can be removed when it is necessary to lighten the weight of the pump D、They increase the strength of the shaft

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第5题

[] You’d better（）the optional cargo block stowage in the tweendecks, then it can be easily discharged either at Shanghai or Dalian.

A、A.give B、B.to give C、C.given D、D.giving

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第6题

[多选题] Which of the following is TRUE about a caching name server？（）

A、They must have a trusted SSL certificate B、They can be authoritative C、They cannot be load-balanced D、They can be recursive E、They require DHCP

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第7题

[多选题] Which three statements are true regarding single-row functions？（）

A、 They can accept only one argument. B、 They can be nested up to only two levels. C、 They can return multiple values of more than one data type. D、 They can be used in SELECT， WHERE， and ORDER BY clauses. E、 They can modify the data type of the argument that is referenced. F、 They can accept a column name， expression， variable name， or a user-supplied constant as arguments.

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第8题

[单选题] Which statement is true about IBGP routers? （）

A、They must be fully meshed B、They can be in a different AS C、They must be directly connected

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第9题

[] （） for more than 30 years, we are confident we can give our customers complete satisfaction.

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They can give a （）(耐磨的) surface and the requied color.

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