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【单选题】
病人基本膳食中软饭不适合于()A.
轻微发烧的病人
B.
肠道疾病恢复发病人
C.
吞咽困难的病人
D.
咀嚼不便的老人
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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
【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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