【单选题】Contrary_____ all advice, he started to climb the mountain during a storm.
【单选题】下列关于药物稳定性的叙述,正确的是
B.
大多数药物的降解反应可用零级、一级反应进行处理
C.
药物降解反应是一级反应,药物有效期与反应物浓度有关
D.
大多数情况下反应浓度对反应速率的影响比温度更为显著
【单选题】下列关于药物稳定性说法正确的是
C.
与药物带相同电荷的离子催化其降解反应时,如果降低溶剂介电常数,则反应速率常数k增大
D.
荷正电荷药物水解受OH-催化,介质的离子强度增加时,水解速度常数k值减小
【单选题】The prisoner __________ to escape, but he couldn't climb the prison wall.
【单选题】现代展示设计大多引入了()的概念,即将整个展示活动视为一个系统的活动,利用统一的形象,达到整体视觉传达效果。
【单选题】What does the man mean?
A.
He wants to visit his friends.
B.
He wants to climb mountains with them.
C.
He doesn't want to climb mountains.
【单选题】Choose the correct words or phrases to complete the sentences. Although he was warned of the danger, he ____ to his plans to climb the mountain alone.
【单选题】( ) the danger, he chose to climb the tower.
【单选题】下列关于药物稳定性的叙述,正确的是
B.
大多数药物的降解反应可用零级、一级反应进行处理
C.
药物降解反应是一级反应,药物有效期与反应物浓度有关
D.
大多数情况下反应浓度对反应速率的影响比温度更为显著