皮皮学，免费搜题
登录
搜题
【单选题】
关于氨化作用说法不正确的是( )A.
含氮有机化合物通过生物的新陈代谢使氮以尿素和尿酸的形式重返氮循环
B.
土壤和水中的很多异养细菌、放线菌和真菌都能利用含氮的有机化合物
C.
无机氮经由蛋白质和核酸合成过程而形成含氮有机化合物的过程就称为氨化作用
D.
氨化作用又称为矿化作用
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】挫折-攻击理论是（）提出的。
【单选题】The passage suggests that bank managers failed to consider whether or not the service improvement mentioned ______.
A.
was too complicated to be easily described to prospective customers.
B.
made a measurable change in the experiences of customers in the bank's offices.
C.
could be sustained if the number of customers increased significantly.
D.
was an innovation that competing banks could have imitated.
【单选题】One reason for quick population increase in underdeveloped countries is that ______.
A.
improved public health standards have reduced death rate greatly
B.
people can get government support if they have more kids
C.
those countries encourage people to have large families
D.
those countries have enough resources to support a large population
【单选题】Which of the following is among the benefits of learning an instrument for children?
A.
Improving behaviors and relieving stress.
B.
Promoting growth and improving intelligence.
C.
Boosting confidence and improving intelligence.
D.
Improving intelligence and strengthening memories.
【单选题】34gFeS0 4 ·7H 2 0样品受热脱水过程的热重曲线(样品质量随温度变化的曲线)如下图所示
A.
温度为78℃时固体物质M的化学式为FeSO 4 ?5H 2 O
B.
温度为l59℃时固体物质N的化学式为FeSO 4 ?3H 2 O
C.
在隔绝空气条件下，N得到P的化学方程式为FeSO 4 FeO+SO 3 ↑
D.
取适量380℃时所得的样品P，隔绝空气加热至650℃，得到一种固体物质Q，同时有两种无色气体生成，Q的化学式为Fe 2 O 3
相关题目：
参考解析：
知识点：
题目纠错 0
发布
