【单选题】下列叙述正确的是( )
A.
升高温度会加快化学反应速率,其原因是活化能降低,增加了活化分子的百分数
B.
对于反应2NO 2 (g)═N 2 O 4 (g);△H<0,升高温度,正逆反应的速率都增大,但正反应速率的增加幅度小于逆反应速率的增加幅度
C.
中和等量的NaOH溶液消耗pH均为3的盐酸、醋酸溶液体积相同
D.
已知2C(s)+2O 2 (g)=2CO 2 (g);△H 1 2C(s)+O 2 (g)=2CO (g);△H 2 则△H 1 >△H 2
【判断题】单斜构造上发育的单斜山(单面山或猪背山)的延伸方向与岩层的倾向大体一致。单斜构造上发育的单斜山(单面山或猪背山)的延伸方向与岩层的倾向大体一致。
【简答题】阅读表达。 Although parents' first reaction is usually to deny (否认) favoring one child over another, most parents end up admitting that they do it, according to Dr Kenneth Hardy.'All parents have favorites...
【简答题】Listen to a monolog about employee orientation of Emerson Advertising, Inc.. Fill in the blanks according to what you hear. Good morning and welcome to the first day of employee 1.______________at Eme...
【多选题】中国有关联合国与区域组织伙伴关系建设的政策立场包括:
A.
发挥区域组织在维和世界和平与安全方面的作用,应继续以《联合国宪章》为指导
C.
联合国应继续向非盟等区域、此区域组织提供帮助,加强其建设能力
【单选题】According to the American literary theorist Kenneth Burke, the “four master tropes” are ____.
A.
metaphor, simile, metonymy and irony
B.
personification, metaphor, synecdoche and irony
C.
metaphor, metonymy, synecdoche and irony
【单选题】According to _____, the task of a linguist is to determine from the data of performance the underlying system of rules that has been mastered by the language user.
【判断题】The most important reason for the spread of Chinese food throughout the Western world, according to Kenneth Lo, is the increased sensuality and the inherent sensual concept of Chinese food.
【判断题】尺寸链按其尺寸性质可分为线性尺寸链和角度尺寸链