皮皮学，免费搜题
登录
搜题
【判断题】
( ) 11. 碳酸及碳酸盐的热稳定性次序是 NaHCO 3 >Na 2 CO 3 >H 2 CO 3 。A.
正确
B.
错误
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
【单选题】Contrary to the new manager’s draconian reputation, most of the work rules and procedures she implemented were relatively ------.
A.
(A) innocuous
B.
(B) punctilious
C.
(C) onerous
D.
(D) transparent
【判断题】During the Victorian Age, the most prosperous age in the British history, there were not many social problems and the gap between the rich and the poor was small.
A.
正确
B.
错误
【单选题】有关多孔吸声材料吸声特性的说法正确的是( )。
A.
多孔吸声材料一般对中高频声波具有良好的吸声效果
B.
影响多孔材料的吸声特性的主要因素是材料的孔隙率、空气流阻
C.
当材料厚度充分大时，比流阻越大，吸声越大
D.
当多孔吸声材料背后留有空气层时，空气层的厚度为1/4波长的奇数倍时，吸声系数最小
【单选题】The 18th century witnesses a new literary form—the modern English novel, which, contrary to the medieval romance, gives a ______ presentation of life of the common English people.
A.
romantic
B.
idealistic
C.
prophetic
D.
realistic
【单选题】The 18th century witnessed a new literary form-the modern English novel, which contrary to the medieval romance, gives a ______ presentation of life of the common people.
A.
romantic
B.
realistic
C.
prophetic
D.
idealistic
【单选题】The 18a century witnessed a new literary form- the modem English novel, which contrary to the medieval romance, gives a______presentation of life of the common people.
A.
romantic
B.
realistic
C.
prophetic
D.
idealistic
【判断题】His concern with social problems and his talent in dealing with them in the form of novel attained Nathaniel Hawthorne's success as a novelist and a momentous position in the history of American liter...
A.
正确
B.
错误
【单选题】A: Government are increasingly focused on delivering competitiveness, and business interests are able to exert pressure on funding bodies of many scientific studies. B: As a result, environmental and ...
A.
statement and supporting statistics
B.
cause and effect
C.
comparison and contrast
D.
statement and examples
相关题目：
参考解析：
知识点：
题目纠错 0
发布
