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【判断题】
恩格尔系数是用以衡量一个国家或一个家庭富裕程度的标准,他是指消费支出占总收入的比重,比重越大,越贫困。A.
正确
B.
错误
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举一反三
【简答题】退火、正火一般安排在（）之后。
【单选题】Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life jouney.
A.
give up
B.
settle down
C.
get through
D.
set off
【单选题】According to the passage, how are ants guided by trail pheromones?
A.
They concentrate on the smell of food.
B.
They follow an ant who is familiar with the trail
C.
They avoid the vapor spaces by moving in a straight line.
D.
They sense the vapor through their antennae.
【简答题】The school was across the street from our home and I would often watch the kids as they played on the playground. She seemed so small as she pushed her way 36 the crowd of boys on the playground. She ...
【单选题】Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life journey.
A.
give up
B.
settle down
C.
get through
D.
set off
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