某校初三（1）班50名学生需要参加体育“五选一”自选项目测试，班上学生所报自选项目的情况统计表如下：

    Facebook CEO Zuckerberg just had a baby girl named Max, and to honor the occasion, he's giving away the majority of his wealth. In the letter____(write) by Zuckerberg and his wife, Priscilla Chan, to____(they) new baby girl, he announced the birth of his first child and the____(create) of the Chan Zuckerberg Fund，____will focus on curing disease, connecting people and____(build) strong communities.

    “For your generation to live in____better world, there is so much more our generation can do,” Zuckerberg wrote. “Today your mother and I are committing to spend our lives doing our small part to help solve these challenges.” The couple____(donate) nearly all of their Facebook stock to the cause. “We will give 99% of our Facebook shares-currently about $45 billion-to advance this____(value) mission,” he wrote. “We know this is a small contribution compared____all the resources and talents already working on these issues. But we want to do____we can, working along with many others.”

下图是植物细胞结构模式图，请据图回答下列问题：

寒冬时节的早晨，汽车司机上车后常发现在前面的挡风玻璃上出现白色的“哈气”(类似冬天人对着玻璃哈气时玻璃上出现的雾气). 夏天，在下大雨后，挡风玻璃上也出现“哈气”.为了安全驾驶.司机往往用冷暖空调来除掉“哈气”.下列说法正确的是(   )
①冬天出现“哈气”开暖风      ②冬天出现“哈气”开冷风
③夏天出现“哈气”开暖风     ④夏天出现“哈气”开冷风