用含18O的葡萄糖跟踪有氧呼吸过程中的氧原子，18O的转移途径是（

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问题单项选择题

用含18O的葡萄糖跟踪有氧呼吸过程中的氧原子，18O的转移途径是（）

A.葡萄糖→丙酮酸→水

B.葡萄糖→丙酮酸→氧

C.葡萄糖→氧→水

D.葡萄糖→丙酮酸→二氧化碳

答案

参考答案：D

补全对话，情景问答

补全对话.

A: Do you have a pen pal?

B: Yes, I do. I have a boy pen pal. He's Pete.

A: ___1___?

B: He comes from Toronto, Canada.

A: ___2___?

B: He's tall with medium build, curly hair and blue eyes. Here is a photo of him.

A: ___3___?

B: He loves sports shows. Sports are his favorite.

A: ___4___?

B: Yes, I do. I want to go to Toronto and visit him next vacation.

A: ___5___?

B: It's warm in spring and not hot in summer. The weather is nice.

A: OK, I hope you have a good trip!

B: Thank you.

单项选择题

以下不属于我省农村信用社农信银系统业务发展考核指标的是（）。

A.平均业务量

B.业务总量

C.差错确认及时率

D.通汇网点覆盖面