题目内容
（请给出正确答案）
A.the flow of people to sunbelt area
B.the flow of people from small cities to big cities
C.the growth of small towns
D.the outflow of city residents from the core cities to the suburbs
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A.diaphysis
B.epiphysis
C.growth plate
A.repatterning of existing cells without a requirement for new growth, as occurs in Hydra
B.repatterning of existing cells without a requirement for new growth, as occurs in newts
C.the reinitiation of division in existing cells and new growth, followed by patterning, as occurs in newts
D.the reinitiation of division in existing cells and new growth, followed by patterning, as occurs in Hydra
A.packet loss occurs on local equipment from service side to pseudo wire side
B.packet loss occurs to pseudo wire side from remote equipment to local equipment
C.AIS alarm occurs to 2M service side of remote equipment
D.AIS alarm occurs to 2M service side of local equipment
A.together
B.variety
C.other
D.education
A.big river
B.dominant trend
C.investment
D.business
A. bond
B. boundary
C. trend
D. button
