题干
—I'm going to Shennongjia with my aunt this month.
—__________________
A：Best wishes to you.
B：Have a good time.
C：Please go.
D：Good Luck!
答案(点此获取答案解析）
B
—I'm going to Shennongjia with my aunt this month.
—__________________
A：Best wishes to you.
B：Have a good time.
C：Please go.
D：Good Luck!
4C(g)+D(s)，达到平衡时C的浓度为w mol·L-1，若维持容器的体积和温度不变，按下列四种配比方案作为反应物，达平衡后，使C的浓度仍为w mol·L-1的配比是( )