箱梁混凝土拌和物配，（）拌和物出机后加水。
A.禁止
B.可以
C.可适当
参考答案：A
请你用形容词描绘以下图画。
1. It's easy for him.
It's ____ for the boy.
2. It's ____ for ____ .
It's ____ for ____ .
3. It's ____ for ____.
It's ____ for ____.
4. It's ____ for ____.
星期日休息，小华帮助妈妈做的家务：洗衣机洗衣服1小时，拖地20分钟，收拾厨房35分钟，晾衣服10分钟。怎样做最省时间？
