Technology aids migration in that_____
A. modern technology creates more jobs for the poor migrants
B. modern technology makes migration easier and cheaper
C. the development of technology needs more skilled youngsters from poor countries
D. the advancement of technology makes it easier for illegal migrants to forge passports
城市总体规划、镇总体规划的规划期限一般为()年。
A. 10
B. 20
C. 30
D. 50
【B3】
A. customs
B. habits
C. practices
D. regulations
The original building was erected in 1710, but this structure has been largely transformed
A. was completed
B. to have been completed
C. having been completed
D. completed
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