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问题 单项选择题 A1/A2型题

下列有关氧化磷酸化的叙述，错误的是（）

A.P/O可以确定ATP的生成数

B.氧化磷酸化过程有两条呼吸链

C.氧化磷酸化过程存在于线粒体内

D.电子经呼吸链传递至氧产生3分子ATP

E.物质在氧化时伴有ADP磷酸化生成ATP的过程

答案

参考答案：D

单项选择题

选择轮椅时，扶手过高容易引起（）

A.身体前倾

B.推动轮环时擦伤上臂皮肤

C.轮椅后倒

D.血压降低

E.呼吸困难
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单项选择题

What would be the impact on a firm’ s return on assets ratio (ROA) of the following independent transactions, assuming ROA is less than one Transaction 1: A firm owned investment securities that were classified as available-for-sale and there was a recent decrease in the fair value of these securities. Transaction 2: A firm owned investment securities that were classified as available-for-trading and there was recent increase in the fair value of the securities. Transaction 1 Transaction 2（）① Higher Lower ② Higher Higher ③ Lower Higher

A. ①

B. ②

C. ③
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