子贡问政。子曰：“足食，足兵（军备），民信之矣。”子贡曰：“必不得已而去，于斯三者何先？”曰：“去兵。”子贡曰：“必不得已而去，于斯二者何先？”曰：“去食。自古皆有死，民无信不立。”孔子的回答诠释了树立政府权威的重要性，这对我国政府工作的启示有（    ）

①加强立法工作，保障公民有序参与政治生活

②政府工作人员要重品行、作表率，自觉践行社会主义荣辱观

③政府及其工作人员要依法执政

④有令必行，有禁则止，坚持对人民负责的原则

    Yesterday it was Sharon's birthday, but she had no special plans, so she decided to go home after work.She left the office arid while she was walking down the street，she was1her friends.They usually remembered her birthday but they had forgotten it for the first time this year.“I think that's2because all of them are busy at work.I guess they will call me tomorrow as it is Saturday, ”she said to herself.Then she3that she was hungry, so she bought some food in a supermarket.And when she came out of the supermarket，she saw an old woman selling4.She bought some roses(玫瑰)from her and left.

    After she got home，she took a shower.And then she had some food.“Now I feel much happier,”she said.“If5remembers my birthday, I will celebrate it by myself.”Suddenly the doorbell (门铃)rang.It was 11：00 p.m.She was surprised 6her husband was on a business trip.“7could it be?”She thought and went to open the door.

    “Happy birthday! ”A group of her friends and her husband were there! Also their hands were full of colorful packages(包裹).She couldn't8her eyes. She had everybody9her and many nice gifts.It was the most10moment (时刻)of her life.“I'm really happy to have such thoughtful friends like you.Thank you all!”Sharon said excitedly.

有一箱球，里面有红、白、绿、黑、蓝五种颜色，任意从中挑选两种颜色的球分给一个人，如果每个人所拿到的两组颜色的球都不一样，那么至少可分给____个人．

下列不是我国气候特点的是