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【单选题】
下列四个结论,正确的是 1 数列的通项公式是唯一的 2 每个数列都有通项公式 3 数列可以看作是一个定义在正整数集或其子集上的函数 4 在直角坐标系中,数列的图象是一群孤立的点A.
①②③④
B.
③
C.
. ④
D.
③④
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【简答题】(2) Once you get to work, take a few minutes to ____(priority) your tasks.
【单选题】Ibuprofen is a weak acid with a p K a of 4.9 (shown with the ionizable hydrogen with a star). It is absorbed through the stomach and the small intestine as a function of polarity—charged and very pol...
A.
More ibuprofen will be absorbed in the small intestine because it will be uncharged due to the pH being greater than the p K a
B.
More ibuprofen will be absorbed in the stomach because it will be uncharged due to the pH being lower than the p K a .
C.
More ibuprofen will be absorbed in the small intestine because it will be charged due to the pH being greater than the p K a .
D.
More ibuprofen will be absorbed in the stomach because it will be charged due to the pH being lower than the p K a .
E.
Ibuprofen will be absorbed equally well in both the stomach and small intestine.
【单选题】Where is the stomach in the body?
A.
in the left–top abdomen
B.
in the left lower abdomen
C.
in the right–top abdomen
D.
in the right lower abdomen
【单选题】Where is the main location of protein digestion
A.
stomach
B.
small intestine
C.
liver
D.
kidney
【单选题】Once you get to the United States, you will have to ______ yourself to a completely new lifestyle.
A.
adopt
B.
adapt
C.
adjust
D.
accustom
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