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【多选题】
路基填筑前，密实基底的处理方法有（）。A.
地面横坡缓于 1 ： 5 时，清除地表的草皮、殖土后，可直接在天然地面上修筑路堤。
B.
地面横坡为 1 ： 5 ～ 1 ： 1.25 时，在清除草皮杂物后，还原地面挖成台阶状 。
C.
原地面倾斜度陡于 1 ： 2.5 ，则宜设置石砌护脚等横断面形式。
D.
采用砂 垫层 法
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皮皮学刷刷变学霸
举一反三
【单选题】Refer to the Figure. Which segmentation variable does the company rely on to identify its market?
A.
geographic
B.
socio-cultural
C.
socioeconomic
D.
demographic
【单选题】Refer to the Figure. This indifference map shows that: this consumer:【图片】
A.
prefers a car with more acceleration and less space.
B.
prefers more expensive rather than less expensive cars.
C.
is indifferent between acceleration and space at all levels of utility.
D.
all of the above
【单选题】【图片】Refer to the Figure. The effect of a decrease in the price of food, as depicted in the figure, leads us to believe that:
A.
food in an inferior good and clothing a normal good.
B.
food in a normal good and clothing an inferior good.
C.
both food and clothing are normal goods.
D.
both food and clothing are inferior goods.
【简答题】Would you please help me with this heavy box?英译汉
【单选题】Refer to the Figure. The connection of points B and D forms: 【图片】
A.
a demand curve.
B.
an income-consumption curve.
C.
a price-consumption curve.
D.
a shift from one demand curve.to another.
【单选题】Refer to the Figure. The connection of points A and B on the graph yields:【图片】
A.
a price-consumption curve.
B.
an income-consumption curve.
C.
an individual demand curve.
D.
an Engel curve.
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