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【多选题】
以下说法正确的是:A.
一次注射量超过5ml注射液不得加抑菌剂
B.
椎管内用的注射液不得加抑菌剂
C.
静脉输液不得加抑菌剂
D.
眼内注射溶液不得加抑菌剂
E.
滴眼剂不得加抑菌剂
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反馈参考答案：
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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