下列现象或事实解释正确的是
| A．铁制容器可盛装冷的浓硫酸，因为常温下铁和浓硫酸不反应 |
| B．铝热反应提供一定的能量引发，因为铝热反应为吸热反应 |
| C．增加炼铁高炉(右图)的高度并不能提高CO的转化率，因为化学平衡没有移动 |
| D．鸡蛋清中加入2滴1%醋酸铅溶液后产生沉淀，因为蛋白质发生了盐析 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
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