更多"Small population may mean ______."的相关试题:
[单项选择]A small population may mean ______.
A. higher productivity but a lower average income
B. lower productivity but a higher average income
C. lower productivity and a lower average income
D. higher productivity and a higher average income
[单项选择]Data concerning the effects on a small population of high concentrations of a potentially hazardous chemical are frequently used to （） the effects on a large population of lower amounts of the same chemical.
A. verify
B. redress
C. predict
D. realize
[单项选择](The population) of this small town has (more than) (doubled) it in the past (few decades).
A. The population
B. more than
C. doubled
D. few decades
[单项选择]In a test of the mean of a population, if the population variance is:（）
A. known, a z- distributed test statistic is appropriate.
B. known, a t- distributed test statistic is appropriate.
C. unknown, a z -distributed test statistic is appropriate.
[单项选择]This rural town has __________ small population that the mail carrier knows where everyone lives.
A. too
B. a so
C. very
D. such a
[单项选择]______, the world may have population of 12 billion in a century.
A. If man can live longer in the future
B. If the science of medicine is developing fast enough
C. If the population growth is not reduced
D. If the earth is able to provide a good life for more people
[单项选择]The word "prospective" may mean ______.
A. promising
B. outstanding
C. expected
D. qualified
[单项选择]A small increase in the earth's temperature may bring about
A. a decline in agriculture.
B. a drop of the sea level.
C. the death of all animals.
D. a delay in the greenhouse effect.
[单项选择]A smile or even a nod may mean a lot ______ a lonely soul.
A. to
B. for
C. of
D. toward
[单项选择]The returns in the short ______ may be small, but over a number of years the in- vestment will be well repaid.
A. interval
B. range
C. span
D. term
[单项选择]The returns in the short______may be small, but over a number of years the investment will be well repaiD．
A. interval
B. range
C. span
D. term
[单项选择]The returns in the short ________ may be small, but over a number of years the investment will be well repaid.
A. interval
B. range
C. span
D. term
[单项选择]Find the mean and the mean absolute deviation (MAD) of a series of stock market returns.（）
A. 2%
B. 3%
C. 4%
