史籍记载，东汉南阳樊氏“能治田，殖至三百顷。广起庐舍，高楼连阁，波陂灌注，竹木成林，六畜放牧，鱼蠃梨果，檀棘桑麻，闭门成市，兵弩器械，资至百万。”下列关于樊氏庄园的说法，错误的是(    )

下列关于动物生殖发育的叙述正确的是（    ）

①蝗虫的发育包括受精卵、幼虫和成虫三个时期

②果蝇的发育过程属于完全变态发育

③青蛙的生殖和发育都离不开水

④青蛙的发育包括受精卵、蝌蚪、成蛙三个发育时期

⑤哺乳动物生殖发育的特点是胎生、哺乳

***、周恩来堪称世纪伟人，1960年5月他们在长沙视察时，来到湘江橘子洲，慷慨之余，豪兴勃发，***即出上联：“橘子洲，洲旁舟，舟走洲不走”，周恩来兴对下联：“天心阁，阁中鸽，鸽飞阁不飞”。诗句中“舟走”是以   ____     为参照物，“洲不走”是以  ____    为参照物，其中“鸽飞”是以   ____  为参照物，“阁不飞”是以  ____   为参照物。

    Dave Green is a 12-year-old boy. He lives in Shanghai with his grandparents, parents and sister Cindy. Dave likes blue best.Look,his jacket and backpack are blue.He is in Class 3.22 boys and 18 girls are in his class.His good friends Liu Kun and Li Jie are in Class 3,too.Miss Wang is their science teacher.She is a good teacher. Her classes are fun. They all like her a lot. Science is not difficult for them! Dave likes playing computer games,but he doesn't play them every day. He studies science every day.