皮皮学,免费搜题
登录
搜题
【单选题】
城市垃圾资源化利用途径之一是采用高温好氧法后土地利用。在堆肥逐渐腐熟过程中污泥性质会发生一系列变化,下列哪种关于变化趋势的描述是错误的()
A.
有机质和挥发性固体含量下降,总氮浓度升高
B.
C/N比下降,氨态氮下降,硝态氮升高
C.
发酵指数逐渐升高
D.
有机质和挥发性固体含量下降,C/N比升高
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Revising is the stage when teachers guide students to make necessary improvements in both organization and contents based on
A.
Editing
B.
Proofreading
C.
Drafting
D.
Outlining
【判断题】()生产周期就是指连续完成相同的两个产品之间的间隔时间.即完成一个产品所需的斗均时间。
A.
正确
B.
错误
【简答题】2005年诺贝尔化学奖授予法国和美国的三位科学家,以表彰他们在烯烃复分解反应研究方面作出的重要贡献。烯烃复分解反应过程被化学家描述为“交换舞伴的交谊舞”。 (I)下列图示可以被理解为烯烃复分解反应过程的是(     )。 (II)烯烃复分解反应实现了在一定条件下烯烃中碳碳双键两边基团的换位。如: 又已知:两个醛分子在一定条件下可以发生加成反应: 现仅以丙烯为有机原料,经过下列反应可以分别合成重要的...
【单选题】Which of the following is NOT a stage of the data preparation process?
A.
questionnaire design
B.
editing
C.
transcribing
D.
data cleaning
E.
coding
【简答题】A. Getting your thoughts down on paper is not the final stage of writing a good paragraph or essay. B. There remains the rewriting of the first draft so as to shape your idea into a carefully style co...
【简答题】A. Getting your thoughts down on paper is not the final stage of writing a good paragraph or essay. B. There remains the rewriting of the first draft so as to shape your idea into a carefully style co...
【单选题】It is the stage when students read through their writings and check the clarity of ideas or the logical development of their arguments. Also, students check carefully the grammar, spelling and punctua...
A.
Listening for the gist
B.
Predicting
C.
Editing
D.
Resource-provider
【单选题】陆游《游山西村》诗中具有哲理意味的名句是()
A.
莫笑农家腊酒浑,  丰年留客足鸡豚
B.
山重水复疑无路, 柳暗花明又村
C.
箫鼓追随春社近,衣冠简朴古风存
D.
从今若许闲乘月,拄杖无时夜叩门
【单选题】It is the stage when students read through their writings and check the clarity of ideas or the logical development of their arguments. Also, students check carefully the grammar, spelling and punctua...
A.
Editing
B.
Predicting
C.
Listening for the gist
D.
Resource-provider
【单选题】28 陆游《游西山村》一诗中具有哲理意味的名句是( )。
A.
莫笑农家腊酒浑,丰年留客足鸡豚
B.
山重水疑无路,柳暗花明又一村
C.
萧鼓追随春社近,衣冠简朴古风存
D.
从今若许闲乘月,拄杖无时夜叩门
相关题目: