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【单选题】
Consider the following argument: “A single grain of sand is not a sand castle. You cannot turn something that is not a sand castle into a sand castle by adding a single grain of sand. Therefore, even if a billion grains of sand are put together, it still could not result in a sand castle.” This argument is an example of a(n)A.
conceptual slippery slope argument.
B.
fairness slippery slope argument.
C.
causal slippery slope argument.
D.
argument from the heap.
E.
N one of the above .
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【单选题】血浆与血清的区别是:I 血浆中含有纤维蛋白原; II 血清中含有纤维蛋白原; III 血浆和血清都不含有纤维蛋白原;IV 血浆和血清都含有纤维蛋白原。
A.
I
B.
II
C.
III
D.
IV