句型转换。（共5分）

1. Millie does well in swimming. （改为否定句）

Millie __________ __________ well in swimming.

2. She usually takes a bus to school. (同义句)

She usually__________ to school __________ __________.

3. My favourite lessons are Chinese and English.(同义句)

I __________ Chinese and English __________ .

4.We have 4 lessons in the morning.(主语改为Li Lei)

Li Lei __________ 4 lessons in the morning.

5.Mr Wu often chats with us between meals.(对划线部分提问)

__________ often __________ with you between meals?

进入2010年，我省遭受了百年不遇旱灾，导致农作物大面积绝收，大量山区人畜饮水和城镇居民生活用水出现严重困难．全省军民万众一心，全力以赴抗大旱保民生，纷纷开展了献爱心活动，为重灾区送去了饮用矿泉水，右图表是矿泉水主要成份参数．请回答：

（1）矿物质水的主要成分是H₂O，请说出其中“2”的含义______．

（2）该矿泉水显______性（“酸”或“碱”或“中”）．

（3）面对灾情各级政府倡导市民“节约用水，从我做起”．请你谈两点节约用水的具体做法：

______、______．