甲、乙两地相距600千米，大车和小车都从甲地开往乙地，大车的速度是50千米/小时，大车早上9点出发，小车中午12点出发，中间都没有休息，结果小车比大车提前3小时到乙地，小车和大车的速度比是多少？（）
A. 2:1
B. 3:1
C. 12:5
D. 5:12
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（ ）是指出口商授予国外代理商在约定的地区和一定的时期内独家推销指定商品的专营权利。
A. 总代理
B. 一般代理
C. 独家代理
D. 指定代理
Which is NOT the way for expanding the vocabulary of a language
A. The shifting of meaning.
Borrowing from another language.
Creating a new word.
D. Ceasing the use of an existing wor
Many of Chile’s tourists used to come from EXCEPT _____.
A. Ｕ. Ｓ. Ａ.
B. the Far East.
C. western Europe.
D. her neighbors.
Etiquette as an art of gracious living is quoted as a feature of which country
A. Egypt
B. 18th century France.
C. Renaissance Italy.
D. England.
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