Layla and her family were driving to the town park. It was a hot day. She wanted to swim in the lake. As they got out of the car, Layla saw ____ friends.

    "Let's go into the water!" she called. All the kids jumped in ____.

    Layla always has fun at the park. In spring, Layla's dad often takes her fishing, in the ____ They usually go early in the morning. The lake water is still (平静的). It is different ____ the river, which has water that runs by.

    In ____ families have picnics near the lake. The kids play and swim in the lake.

    In the morning of autumn, the lake has fog (雾) over it. Layla's dad once ____her something about fog: Hot summer days warm the water, and then cool autumn air ____ over the lake's warm water. The water vapor (水蒸气) in the air gets cool. It ____ small drops of water (水珠). We can see those drops of water hang in the air as fog.

    Layla loves winter at the park, too. The ____ temperatures turn the water into ice. Many people go skating on the ice.

    The lake looks different at different times of the year ____ it is always a good place to have fun!

***在《论联合政府》中说：“从1937年7月7 日卢沟桥事变到1938年10月武汉失守这一时期内，国民党政府的对日作战是比较努力的……一时出现了生气蓬勃的新气象。”此处“新气象”主要是指(    )

I．已知龙胆酸甲酯结构如图所示．

党的十八届三中全会指出：“公有制经济和非公有制经济都是社会主义市场经济的重要组成部分，都是我国经济社会发展的重要基础。”这说明（  ）。