单体雄蕊
参考答案：
一朵花中雄蕊多数，花药分离，花丝彼此连合成一束或呈管状，这样的雄蕊称为单体雄蕊，如棉花的雄蕊。
—Could you tell me what time the train leaves Xiangyang for Beijing?
—Sorry, I don’t know, either. You can on the Internet.
A．look for it
B．look at it
C．look it over
D．look it up
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