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【多选题】
外血涂片观察成熟红细胞形态对下列哪些疾病的诊断有意义A.
遗传性球形红细胞增多症
B.
巨幼细胞贫血
C.
珠蛋白生成障碍性贫血
D.
再生障碍性贫血
E.
缺铁性贫血
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皮皮学刷刷变学霸
举一反三
【单选题】Refer to Figure 2-6. If this economy put all available resources into the production of bananas, it could produce
A.
200 bananas and also 150 baseballs.
B.
300 bananas and also 100 baseballs.
C.
400 bananas and no baseballs.
D.
It is impossible to know unless we know the quantity of resources available. Figure 2-6
【单选题】【图片】Refer to Figure 4-2. At a price of $4, there is a
A.
surplus of 3 units.
B.
surplus of 6 units.
C.
shortage of 3 units.
D.
shortage of 6 units.
【单选题】Refer to Figure 2-6. What is the opportunity cost to society of the movement from point A to point C?
A.
50 baseballs
B.
100 baseballs
C.
100 bananas
D.
300 bananas Figure 2-6
【多选题】大比例尺地形图是指( )的地形图。
A.
1 ： 500
B.
1 ： 5000
C.
1 ： 2000
D.
1 ： 10000 ； E . 1 ： 100000 （中） *1 ： 100 万为小比例尺地图
E.
1 ： 100000
【单选题】Refer to Figure 2 . If the price of the good is $14, then producer surplus is
A.
$17.
B.
$22.
C.
$25.
D.
$28.
【单选题】Refer to Figure 2 . Curve A is U-shaped because of
A.
diminishing marginal product.
B.
increasing marginal product.
C.
the fact that increasing marginal product follows decreasing marginal product.
D.
the fact that decreasing marginal product follows increasing marginal product.
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