二甲基苄基氯化铵毒性

吉娃娃狗现在的价格是多少? 骑士的英语怎么说 would you like to go to play tennis with me in the school court this weekend ( ).waht aboutanother time?A.I'd like that ,thanks B.I'd love to,nut I can't C.great D.No,not in the least would you like （ ）with us this weekend?l‘m afraid not.A to go fishingB go fishingC going fishing give sb a bear hug give a hug ( )sb.拥抱某人 Who is that at the door?A：It B：HeC:This D:That 请选择回答是 _is me Who______ it be that is knocking at the door?—It ______ be Father,but I’m not sure.A.can; must B.can; may C.must; can D.may; must -Who ＿＿it be that is knocking at the door -It＿＿b-Who ＿＿it be that is knocking at the door -It＿＿be Father ,but I'm not sure .A.can ;must B.can ;may C.must ;can D.may ;must 这题选什么?为什么?老师又公布答案了：选A！但 —Who______ it be that is knocking at the door?—I—Who______ it be that is knocking at the door?—It ______ be Father,but I’m not sure.A.can; must B.can; may 　C.must; can 　D.may; must what you did make（ ） possible for me （ ） my work on time A this to finish B it finishing Cthis finishing Dit to finish 我知道是D,但我感觉语序错了,应该为 what did you make .我说的对吗. 番茄紫茎（A）对绿茎（a）是显性,缺刻叶（B）对马铃薯叶（b）是显性,现有两个不知相状的亲本杂交得到后代的相状和个数为,紫缺321,紫马320,绿缺319,绿马322,如控制这两对相对性状的等位基 Would you like to go to school c_____ with me next weekend? 英语翻译在公历2008年5月9日那天我来到你的空间,不赶确定这天是你的生日因为我记得你的生日是农历的和我查3天!所以当天就没赶给你留言!如果那天真是你生日的话,那抱歉哦,当天没有为你 英语翻译大佬,对五住,我知道我依家做咩都五可以消即气.唯有等讲原谅我即果一日,希望五会太耐 英语翻译李天恩这一辈子只哭过两次,第一次是他出世的时候,第二次是妈妈去世的时候!第一次我不知道,第二次你不知道,但是我已经没办法告诉你.唔该晒!同志们！不是发音.是翻译成文！ 英语翻译你系度瞢紧咩呀?瞢紧你女朋友哩!你冇女朋友?紧系唔信!...冼理由架!点会冇人锺意你绗!或者有你唔知者 1.The boy ___ (ask) not to draw on the wall,wasn't he?1.Who ___(find) that lost girl?Her mother must be happy now.2.___ personal computers ___ (invent) in 1976?麻烦说明一下为什么？ look!( )the boy ( )( draw)on the wall 英语选择题 =Would you like_____soccer with us this afternon?A,playing B.to play C.playthe dumpling with fish____$8a.IS b.needs c.are please d____ draw pictures on the wall Who is knocking at the door?---_____ may be Mary.A.She B.He C.It D.This为什么不是A呢？主语是Mary啊 形容词修饰的效果是什么. 形容词 大概多功能 可以和流动搭配的形容词有哪些 形容词在句中的作用 如何写出好的议论文话题为"成功之道",要求写一篇议论文,哪位高手能指点一下如何写好!有文章参考一下更好~~谢谢 When will the train D51 arrive ------a few minutes ----Don’t draw on the wall ,Jim .----- _____________ ,Mum .快,填什么,要求说明原因 there is a ( )on the wall he say "don't draw on the wall ( )的热情【（）内填形容词】 一表现型为紫茎马铃薯叶的番茄与另一表现型为绿茎缺刻叶的番茄杂交,F1全是紫茎缺刻叶,F2中杂合紫茎马铃薯叶植株有3966株,则从理论上分析,F2中杂合紫茎缺刻叶植株有：（ D ）A.17847株 B.7932