听力题
单选题
Why is corn feeding millions of people today?
A、
It can be cooked in many ways.
B、
It is delicious but inexpensive.
C、
It gives higher yields than other grain crops.
D、
It grows easily in various conditions.
【正确答案】
D
【答案解析】
单选题
What did Columbus bring back on his second trip?
A、
Fried potatoes.
B、
Tomato juice.
C、
Sweet corn.
D、
Chocolate beans.
【正确答案】
D
【答案解析】
单选题
What was the result of Columbus'' two trips to America?
A、
They led to the discovery of America.
B、
They made native American foods popular.
C、
They brought great wealth to Spain.
D、
They made native American life styles well-known.
【正确答案】
B
【答案解析】
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