【判断题】Ku Klux Klan disappeared in mid and late 19th century.
【判断题】Romanticism is a movement in the late 18th and mid 19th centuries.
【单选题】Modern industry must have developed ______ .
A.
before the Middle Ages
B.
around the 19th century
D.
machines to take tests
【单选题】The Adventures of Huckleberry Finn, _______ the USA in the mid 19th century, _______ a masterpiece.
【判断题】荧光渗透检测时,由于是暗视场显像,故无缺陷区域呈黑色。
【单选题】The major problems with America's railroad system in the mid 19th century lay in______.
A.
poor quality rails and unreliable stopping systems
B.
lack of financial support for development
C.
limited railroad lines
D.
lack of a transcontinental railroad
【单选题】By the mid-1980s, farmers in Denmark ______.
A.
used 50 per cent less fertiliser than Dutch farmers.
B.
used twice as much fertiliser as they had in 1960.
C.
applied fertiliser much more frequently than in 1960.
D.
more than doubled the amount of pesticide they used in just 3 years.
【单选题】Quills were the chief writing tool until the _______ of steel pens in the mid 19th century.
【单选题】“人是天然的政治动物”这一观点由()提出。
【单选题】The major problems with America's railroad system in the mid 19th century lay in ______.
A.
limited railroad lines
B.
lack of a transcontinental railroad
C.
lack of financial support of development
D.
poor quality rails and unreliable stopping systems