生石灰打水是为了保证生石灰充分（），在短时间内充分（）。
参考答案：润湿；消化
Look and answer. (看图，仿照例子回答问题)
例: — Is he sad? — No, he isn't. He's happy.
1. — Is he happy? — _______________________________
2. — How do they feel? — ________________________________
关于中枢神经系统白血病描述错误的是
A．颅内压＞1.96kPaB．白细胞数＞0.01×109/LC．涂片不一定见到白血病细胞D．蛋白＞0.45g/L，或潘氏试验阳性E．葡萄糖含量降低
— Is he sad? — No, he isn't. He's happy.
— Is he happy? — _______________________________
— How do they feel? — ________________________________