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问题 单项选择题

哪步反应是通过底物水平磷酸化方式生成高能化合物的？（）

A、草酰琥珀酸→－酮戊二酸

B、－酮戊二酸→琥珀酰CoA

C、琥珀酰CoA→琥珀酸

D、琥珀酸→延胡羧酸

E、苹果酸→草酰乙酸

答案

参考答案：C

单项选择题 案例分析题

中纬度地区东西走向山脉的南北两侧，由于光照时间长短不同，出现了明显的温度差异，即阳坡温度高于阴坡。读中纬度某内陆地区等值线图，回答下列问题

若a为12℃等温线，则乙地气温的数值可能是（）

A.8℃

B.6℃

C.9℃

D.10℃
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单项选择题

Which of the following statements regarding the seller of a call and a put is TRUE A call writer:()

A. expects the price of the underlying stock to increase above the strike price and a put Writer expects the price of the underlying stock to decrease below the strike price. 

B. and a put writer both expect the price of the underlying stock to decrease below the strike price. 

C. expects the price of the underlying stock to decrease below the strike price and a put writer expects the price of the underlying stock to increase above the strike price.
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