问题
选择题
----- Can you use chopsticks, John?
----- ________ . I once stayed in China for two years.
A．No problem
B．It all depends
C．I’m sorry, but yes
D．You can forget it
答案
答案：A
搜题请搜索小程序“爱下问搜题”
----- Can you use chopsticks, John?
----- ________ . I once stayed in China for two years.
A．No problem
B．It all depends
C．I’m sorry, but yes
D．You can forget it
答案：A
)来研究反应物浓度与反应速率的关系。反应速率
通过测定溴的颜色消失所需的时间来确定。在一定温度下，获得如下实验数据
增大 
相等
增大 
，
增大