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【单选题】
企业的职工人数、产品销售量是A.
连续型变量
B.
前者是连续型变量，后者是离散型变量
C.
离散型变量
D.
前者是离散型变量，后者是连续型变量
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举一反三
【简答题】Every morning at eleven, a bright new car drove through the central park in New York．Inside the car 36 a driver and his boss, a well-known millionaire（）. Each morning the millionaire 37 a poorly-d...
【单选题】It is ______ he is determined.
A.
buying a new car that
B.
to buy a new car that
C.
to buy a new car what
D.
buying a new car which
【单选题】To get familiar with the parts of a new car, the owner should ______.
A.
regard the car as a new-born baby
B.
have the car serviced before driving it
C.
read through the instructions carefully
D.
examine all of the parts of the new car
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