2023河北唐山高三一模生物答案

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4.ABCD解析:A、若后代分离比为6:3:2:1,可能是某对基因显性纯合致死,也可能是两个基因相互作用致死,无法判断属于哪种致死类型,A正确;B、若同时含两种显性基因的雌配子,即含AX基因的雌配子致死,则后代分离比为5:3:3:1,也可能是含AX基因的雄配子致死,后代分离比同样满足5:3:3:1,B正确;C、若基因型为AY的雄配子致死,则后代分离比为7:3:1:1,也可能是基因型为AX的雌配子致死,后代分离比同样满足7:3:1:1,C正确;D、若后代分离比为9:3:1:1,仅有基因型为AaXY的个体致死满足该比例,D正确;故选ABCD

程紹,字公业,德州人,程绍考中万历十七年进士,授官汝宁推官,征召授官户科给事中,巡视京营,副将佟养正等五人行贿求迁,他都弹劾且置于司法审理。皇帝派使者到河南采矿,程紹两次上疏说应当罢黜,(皇上)都不回复再升任吏科左给事中。正逢京官考核,御史许闻造揭发户部侍郎张养蒙等,言语涉及吏部侍郎裴应章,程紹说许闻造仗恃吏部以躲避考核的大典,且附会阁臣张位,许闻造于是被贬到边地,主事赵世德考察贬官,朝廷议论征用杨应龙,兵部举荐赵世德懂得兵法,程紹批驳制止,又弹劾文选郎杨守峻,杨守峻自己辞官离去饶州通判沈榜被貶官,攀附税監潘相得以留饪,程紹极言不合法制,山西税使张忠因夏县知县韩薰触犯自己

24-27 DDBB24D【解析】根据第二段“ When my children were young and likely to cause accidents, Ialwaysthought about what i could do to avoid an“ if onlv moment."可知。25D【解析】根据第三段“ We all know people who lost a loved one and regretted that…,"可知26B【解析】根据第三“ But then i thought about the fact that he's84 vears old and i realizedthat i shouldn' t give up an opportumity to see him.”可知。27B【解析】根据后一段“ I know there will still be occasions wheni have to say“ if onlyabout something. but mv life is definitely better.”可排除A和C;根据第三段“It' s equallyimportant to avoid“ if only" in our pers onalrelationships:可排除D

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