更多"In the first decades of this centur"的相关试题:
[单项选择]In the first decades of this century, the individual gene could be worked with fruitfully.
A. blindly
B. completely
C. productively
D. carefully
[单项选择]In the first decades of the twentieth century, the individual gene could not be seen, but could be worked with fruitfully.
A. blindly
B. completely
C. productively
D. carefully
[单项选择]In the flint decades of the twentieth century, the individual gem could not be seen, but could be worked with fruitfully.
A. blindly
B. completely
C. productively
D. carefully
[单项选择]During the first half of the twentieth century, the average American household was ______ by the introduction of a group of machines that profoundly altered the daily lives of housewives.
A. transformed
B. transferred
C. transmitted
D. transported
[单项选择]In the twenty-first century, American's attitude towards remarried people will be ________.
A. suspicious
B. critical
C. fussy
D. approving
[单项选择]The first part of the 20th century saw more great inventions.
A. 这是20世纪前半期的第一批伟大的发明。
B. 20世纪前半期有更多伟大的发明。
C. 这是20世纪更多伟大发明中的第一部分。
D. 20世纪前半期人们看见了更多伟大的发明。
[单项选择]By the first decade of the 21st century, international commercial air traffic is expected ______beyond today's levels.
A. to have extended
B. to be extending
C. being extended
D. having been extended
[单项选择]
By the first century A. D., historians say, the Chinese had some knowledge of the winds and currents of the Pacific. When weather prevented the Chinese from navigating by the sky their mariners(水手) used magnetized(磁化) needles to guide them. Because the sailors had no level surface on their rocking ship, they floated the needle in a shallow bowl of water, and the compass that guided explorers to day was born.
Between 1450 and 1433, Emperor Chu Ti’s Treasure Fleet of the Dragon Throne ruled the entire south Pacific and the Indian Ocean, collecting gifts and tributes (贡品) for the Emperor throughout a territory that ranges from Korea and Japan to Eastern coast of Africa. The Admiral Cheng Ho began the first of seven voyages in 1405. The purpose of the first voyage was to hurt the former emperor who had been dethroned and escaped. The admiral’s fleet, which was made up of 62 large junks and 255 smaller ships, recaptured the deposed emperor and also defeated
A. The Chinese sailors knew the winds and currents of the Pacific much earlier than the westerners.
B. The Chinese sailors used the compass to guide their voyage.
C. The Chinese sailors knew how to make rocking ship's surface level
D. The compass the Chinese mariners used had magnetized needles.