全面从严治党永远在路上,制度创新是永恒的课题。修订党规党纪不能贪大求全,也不可能毕其功于一役,要遵循正确方向,一步一步向前迈进。这是因为事物的发展( )
①要在质变基础上为新的量变开辟道路
②要通过量的积累为实现质变创造条件
③总是处在平衡和不显著的变化过程中
④总要经历由不完善到比较完善的过程
A:①③
B:②③
C:①④
D:②④
阅读下面的文字,完成下列各题。
【甲】余幼时即嗜学。家贫,无从致书以观,每假借于藏书之家,手自笔录,计日以还。天大寒,观冰坚,手指不可屈伸,弗之怠。录毕,走送了,不敢稍逾约。以是人多以书假余,余因得遍观群书。既加冠,益慕圣贤之道。又患无硕师名人与游,尝趋百里外,从乡之先达执经叩问。先达德隆望尊,门人弟子填其室,未尝稍降辞色。余立侍左右,援疑质理,俯身倾耳以请;或遇其叱咄,色愈恭,礼愈至,不敢出一言以复;俟其欣悦,则又请焉。故余虽愚,卒获有所闻。
【乙】宋濂尝与客饮,帝(明太祖朱元璋)密使人侦视。翌日,问濂昨饮酒否,坐客为谁,馔何物。濂具以实对。笑曰:“诚然,卿不朕欺。”间召问群臣臧否,濂惟举其善者。帝问其故,对曰:“善者与臣友,臣知之;其不善者,不能知也。”
用所给词的适当形式填空 All of us can get lots of presents on____ Day. (child)Our school is big and beautiful. What about____?(they)Be quiet! The mother with her twin babies____.(sleep)You just need to practise____English more. (speak)A good breakfast helps Amy____fit and health. (keep)____ there a pair of trousers on the bed? I can't find mine. (be)I don't know what____(choose) in the clothes shop.There are some boys____ basketball on the playground. (play)It takes me 2 hours ____ my homework every day. (do)It's six o'clock now. Millie and Sandy____(not run) in the playground .
如图中A,B,C,D代表人体内不同部位的血管,a、b分别代表血液里气体含量在人体不同部位的变化曲线.据图分析说法中不正确的是( )