请写出水稻幼根进行无氧呼吸的化学反应式____。
下列关关化肥的说法不正确的是( )
- Can I speak to Tom, please?
- Sorry, he is out. Can I take a ______ for him?
读我国四大地理区域图,与①、③两大地理区域分界线大致吻合的是( )