更多"Modern skyscrapers have a steel ske"的相关试题:
[单项选择]Modern industry must have developed ______ .
A. before the Middle Ages
B. around the 19th century
C. in Greece or Rome
D. machines to take tests
[单项选择]As steel plants have become more ______, maintenance and adjustments of equipment have become a large share of the cost of running the plants.
A. allied
B. drafted
C. automated
D. duplicated
[单项选择]Small farms and the lack of modern technology have______ agricultural production.
A. blundered
B. tangled
C. bewildered
D. hampered
[单项选择]People living in a large modern city have to ______.
A. tolerate some conditions rather than other ones
B. prefer a variety of their desired necessities
C. identify with being good consumers
D. be looking for the best in the future
[单项选择]Many modern critics of American literature have called Mark Twain, born Samuel Clemens, ______.
[单项选择]The hotel is not very modern, but it does have the______ of being close to the city centre.
A. chance
B. interest
C. advantage
D. charge
[单项选择]We have produced twice as much steel this year（）4 years ago.
A. than we did
B. as we did
C. than we have produced
D. as we have produced
[单项选择]We have produced twice as much steel this year ______ 4 years ago.
A. than we did
B. as did
C. than we have produced
D. as we have produced
[单项选择]Why was iron unused for beams, columns, and girders prior to the early eighteenth century
A. All available iron was needed for other purposes.
B. Iron was considered too valuable for use in public buildings.
C. Limited mining capability made iron too expensive.
D. The use of charcoal for refining ore produced poor quality iron.
[单项选择]Graham-Steel杂音见于
A. 二尖瓣狭窄
B. 主动脉瓣狭窄
C. 二尖瓣关闭不全
D. 主动脉瓣关闭不全
E. 相对性三尖瓣关闭不全
