化学治疗药物可引起食欲不振、恶心、______、口腔________、腹痛及______等消化道反应。
参考答案：呕吐；溃疡；腹泻
What does the speaker mean
A．What would be the cost of your project
B．How much will it cost by the time you carry out the project
C．You know what your project would include.
D．That project of yours is very expensive.
可逆反应N2（g）+3H2（g）⇌2NH3（g），500℃时在容积为10L的密闭容器中进行，开始时加入1molN2和6molH2，则达到平衡时，NH3的浓度不可能达到（ ）
A．0.1mol•L-1
B．0.2mol•L-1
C．0.05mol•L-1
D．0.15mol•L-1
