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【多选题】
冠心病营养治疗与护理有哪些?A.
限制总能量摄入，控制体重
B.
限制脂肪和胆固醇摄入
C.
限制单糖和双糖，增加膳食纤维
D.
适量蛋白质
E.
供给充足的维生素和矿物质
F.
避免刺激性食物
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举一反三
【单选题】When the price of a good increases, then ceteris paribus, we would expect______.
A.
quantity demanded to increase
B.
demand to decrease
C.
supply to increase
D.
quantity supplied to increase
【单选题】If new manufacturers enter the computer industry, then (ceteris paribus):
A.
some established manufacturers must exit the industry.
B.
the equilibrium price of computers must rise.
C.
the supply curve shifts to the right.
D.
the supply curve shifts to the left.
【单选题】The term "ceteris paribus" means that:
A.
everything is variable.
B.
all variables except those specified are constant.
C.
no one knows which variables will change and which will remain constant.
D.
what is true for the individual is not necessarily true for the whole.
【简答题】结合遗传物质的相关实验 , 回答下列问题 . (1) 后来 , 赫尔希和蔡斯用 1 法 , 进一步证明 DNA 是噬菌体的遗传物质 . 实验包括 4 个步骤 : 1. 上清液和沉淀物的放射性检测 2. 分别用含 用 35 S 或 32 P 的培养基培养细菌 3. 标记的 噬菌体 与未标记的细菌混合培养 4. 充分搅拌后离心 5. 噬菌体与 标记的 大肠杆菌混合培养 该实验步骤的正确顺序是 2 ( ...
【单选题】Ceteris paribus is the Latin expression for
A.
the (false) statement that what is true of the parts is true of the whole or what is true of the whole is true of the parts.
B.
the error of reasoning that a first event causes a second event because the first event occurred before the second event.
C.
an expression that means “other things being equal.”
D.
a statement about the way the economic world ought to be.
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