[多选题]违章使用乘车证均要按所乘列车的（ ）、区间（单程或往返）及票面填写人数按照《铁路旅客运输规程》的规定补收和加收票款。
A.等级
B.席别
C.铺别
D.票种

Text 1
No one really likes help. It is a great deal more satisfactory to be given the opportunity to earn one’ s daily bread; and if, by doing so, one can create a continuing means of livelihood, more jobs, and better living conditions for one’ s community, that is more satisfactory still. It is on this premise that the World Food Program bases most of its operations.
But how can a man born of unemployed, undernourished parents, in, the depths of poverty that spreads the solidarity towns near Latin American cities, or displaced people’s camps in Africa and Asia, begin to make some improvement Someone must help someone who under stands that both food and employment are fundamental to his need.
Most thinking people must have remarked at some time or other that it doesn’ t make sense for half the population of the world to be in need of better food while governments and farmers elsewhere are worried by surpluses. For a number of
A. develop types of fruit trees that will resist disease
B. extend the area of land fit for cultivation
C. remove or flatten out the tops of hills
D. provide food for farm animals