【单选题】According to the selection, people with high I. Q. 's are viewed by themselves and others as______.
A.
useful members of society
【单选题】Which of the following is NOT an example of artificial selection?
A.
the selection by a farmer of the best milk-producing cows for breeding
B.
a breeder's allowing only the fastest horses to reproduce
C.
the selection for reproduction of the best egg-laying chickens by the farmer
D.
an increase in the number of giraffes with long necks because of a decline in the number of low-lying plants used for feeding
【简答题】Q: what are the four principles of topic selection
【单选题】Which of the following is NOT true about natural selection?
A.
Natural selection favors adoptions that help a species to survive.
B.
Natural selection works against extreme changes in a species.
C.
Natural selection allows helpful new traits to spread through a population.
D.
Natural selection occurs in periods of severe environmental disturbances.
【单选题】4 Q5: Which of the following is a double-selection control statement?
【单选题】ISO14000系列标准是国际标准化组织制定的有关( )的系列标准。
【单选题】● Selection criteria for project selection include:
C.
contribution towards organizational goals