题目

下列变化符合图示的是 ① 冰雪融化                     ② KMnO4分解制O2 ③ 铝与氧化铁的反应             ④ 钠与水反应 ⑤ 二氧化碳与灼热的木炭反应     ⑥ 碘的升华 ⑦ Ba(OH)2•8H2O和NH4Cl的反应 A．②⑥⑦     B．②⑤⑦    C．①②⑤⑥⑦    D．③④ 答案：B----Bob, I know you want to be an actor. ____________?----I’m going to take acting lessons.A．How is it goingB．What are you going to beC．How are you going to do thatD．Where are you going to work