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问题 填空题
若
a
b
=
3
2
，则
b
a
=______．
答案

∵

a
b
=
3
2
，

∴2a=3b，

∴

b
a
=
2
3
．

故答案为：

2
3
．

选择题

临床上常给病人静脉注射葡萄糖，这些葡萄糖进入细胞后，会在哪个结构中被彻底氧化分解，并释放能量[ ]

A．细胞核

B．细胞膜

C．线粒体

D．叶绿体
查看答案
选择题

— How was your holiday?

— It couldn’t have been _____. I just stayed in the hotel because it was raining most of the time.

A．boring

B．more boring

C．most boring

D．less boring
查看答案