建设方案经济比选的原则包括（ ）。

【名词&注释】

安全性(safety)、技术经济(technical economy)、年轻人(stripling)、相结合(combination)、过生日、看一看(have a dekko)、之所以(the reason that)、一棵树(a tree)

[单选题]建设方案经济比选的原则包括（ ）。

A. 技术、经济、社会和环境相结合原则
B. 口径一致原则
C. 安全性原则
D. 技术经济综合比选

查看答案&解析查看所有试题

学习资料：

[单选题]35．

A. have a look
B. have a try
C. have a rest
D. have a picture

[单选题]26．

A. both
B. some
C. each
D. most

[单选题]BHip-hop dancing(街舞) is popular with many young people today． They like it because they can invent their own moves． They use this dance to show their love for life． It also shows that they feel good about life，that they just want to be themselves and enjoy life，and that they are not afraid of problems．

A. It first began in the 1980s in the U． S In early times，it was seen in New York and Los Angles． At that time，many young black people often danced to the music in the streets． They used their legs，arms，heads and even shoulders to dance． Many young people still use most of these moves today．
B. Some people performed Hip-hop dancing in the movie． People enjoyed their perform-ance． They began to dance like them． Then it became popular． There are two kinds of Hip-hop dancing:new school and old school． More and more young people are learning Hip-hop dancing．People believe that it is a good way to exercise their bodies，and that it is good for their health．
C. Young people like Hip-hop dancing because ________
D. it has a history of more than 20 years
E. it first began in the U． S．
F. they can invent their own moves
G. many young black people often dance it

[单选题]30． Mr Henry didn’t exchange seats because

A. there was no man opposite to him
B. he had fallen asleep on the train ．
C. he hadn’t known he had been able to do so
D. somebody sat opposite to him

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