生物上的2N,4N是什么?(染色体方面的)-查字典问答网
- 【八年级上英语短文填空,急Oneday,MrWhitefinishedhisworkvery_____,Onhiswayhome,therewerenopeopleandnobuses.Sohehadtogohomeon_____,Heheldhisinhis_____,Whenhegothome,heopenedhisbag.Hewantedtogetthekeys.Th】
- 选词填空(小学英语)选择适当的词语填空,注意用适当形式runacross,haveaccessto,takeup,addup,straight,along1.Pleasege______aheadandtakethesecondturnonyourleft.2.YesterdaywhenI______thestreet,Ididn'tlookat
- 世界上水量最大的淡水资源是()主要分布在()和()地区目前人类能利用的淡水资源主要()和()接上其水量仅占全球淡水资源总量的______(0.3%﹑1.7%)
- 一些首字母填空题(初中英语水平)急!~~~在线等!拜托各位了1.Whenweseeatrafficaccidenthappen,weshouldr_____tothepolice.2.Icanfindsomei_____abouttheprojectontheinternet.3.Afteralongwalk,Ifelth_______4.
- 【一个圆柱和一个圆锥等底等高.已知圆柱和圆锥的体积相差6立方厘米,圆柱和圆锥的体积各是多少立方厘米?】
- onthefrontof什么意思onthefrontof不是in
- aheadof和infrontof的区别这两个短句的用法区别
- 赞美河南的文章介绍河南的名胜古迹和名人.
- 阅读理解Maybeitistruethatwedonotknowwhatwehavegotuntilweloseitbutitisalsotruethatwedonotknowwhatwehavebeenmissinguntilitarrives.Ittakesanhourtol
- thereisapoliceman——————thebus中间是infrontof还是inthefrontofthereisapoliceman——————thebus中间是infrontof还是inthefrontof为什么?
- Mydeskis________theclassroom.A.infrontofB.inthefrontofC.inthefrontD.atthefront
- 请问light用英语怎么读?
- Shoppingonlineiseasierthanactuallygoingtoastoreandsavesyourtime.However,it’snotalwayssoeasy.Sometimes,youmayhaveafew.AuniversitystudentnamedXuZijiaooftenbuysclothesTaobao.“Thecolors
- 求一篇英语短文《TheSpringFestival》150词各位仁兄一定要自己写啊,老师要是发现一样的我就惨了……求求大家了,150词,
- 写出连续的两句描写春天的诗句
- 【sheisshortsoshesits()theclassrooma.nexttob.inthefrontofc.infrontofdatthebackof】
- 几个句子的发音困难!我在练口语,模仿磁带时就是听不出that怎么读,例如,Itwasgenerallysupposedthatitwouldnothappenagain.Itisexpectedthattheweatherwillbegoodsoon.还有,Wecouldn'taffordtokeepourcar,sowe
- in/atthebackof的区别,他们分别对应哪个?infrontof与inthefrontof
- Theschoolis_thesupermarket.是infrontof还是iTheschoolis_thesupermarket.是infrontof还是inthefrontof
- 英语中哪些词是只能用动词不定式的?