更多"In ______, Columbus reached North A"的相关试题:
[填空题]In ______, Columbus reached North America.
[填空题]Columbus reached America earlier than Magellan.
[单项选择]
When Columbus reached the New World, com was the most widely grown plant in the Americas. This plant’s range extended from what is now southern Canada to lower South America. At that time some tribes cultivated it at sea level, others at elevation(海拔高度) of more than 11 000 feet.
"Columbus had no way of knowing that corn was far more valuable than the spices(香料) and gold he had hoped to find." said Frances B. King, a professor at a university of Pittsburgh. Through human intervention, this plant has developed into several hundred races, or varieties. Their heights vary from 2 to 12 feet, and their maturity ranges from little more than 2 months to almost a year. Their ears vary not only in color, but also in size.
Unlike other cereals(谷类), corn bears little resemblance to its wild ancestors. In fact, it differs from the appearance of its immediate ancestors more than any other cultivated plant known. From humble origins as a lowland grass, corn devel
A. a new revolution
B. new findings about corn
C. the signs of com 5 500 years ago
D. new dates for communities’ emergence
[单项选择]Columbus had accomplished one of the most amazing and courageous （） in history.
A. performance
B. feats
C. events
D. acts
[单项选择]What did Columbus bring back on his second trip
A. Fried potatoes.
B. Tomato juice.
C. Sweet corn.
D. Chocolate beans.
[填空题]
When Christopher Columbus landed on America’s shore, he
encountered copper-skinned people whom he promptly called "Indians". Current
estimates indicate that there were over a million Indians inhabiting North
America then. There are approximately 800,000 Indians today, of whom about
250,000 live on reservations.
The early settlers had an amicable
relationship with Indians, who shared their knowledge of hunting, fishing, and
farming with their uninvited guests. The stereotyped stealthy, wicked Indian of
modem western movies was created by indifferent, faithless white men; the Indian
was born friendly.
Disgust developed between the Indians and the
settlers, whose encroachment on Indian lands provoked an era of turbulence. As
early as 1745, Indian tribes joined together to drive the French off their land.
The French and Indian war did not end until 1763. The Indians had succeeded in
destroying many of the western settlements. The British su
