原核生物基因组特点

Mary is .She likes to have many friends 6.I often hear her__A_this song in the classroom after class.A.sing B.to sing C.singing D.sings“我经常放学后在教室里听见她正唱着这首歌”怎么不对了为什么要选A mary is a funny gril. she likes to make____(we)laugh. she often ________to her friends after class.这是一道选择题：A.says B.say C.talks D.talk the boy often (games after class)对括号句子提问 （ ）（ ）the boy often（ ）after class? we often draw pictures after class.对after class进行提问[ ] [ ] your ofter draw pictures? Rose was wild with joy ____ the result of the examination.A.to B.at为什么不选A? result in 和 with the result that在用法上的区别. 正确形式:The scientists are_(please)with the result. They agree with each other __ the result填介词 关于乐事薯片食品添加剂中含有的二氧化硅我想知道,二氧化硅这种东西在食品添加剂里是干什么的,偶然看到这种东西有点意外 we fell tired and hungry.对tired and hungry提问,应该怎么问? they went home hungry and tired这个语法点怎么理解?I went away angry可以这么说?那请再造一个可以的句子，怎样就可以了？ 在He came in,hungry and tired.这个句子中,解释说是hungry和tired是形容词作状语的用法,不是说要用副词来充当状语修饰动词么?这是怎么回事? 按要求写句子 Jane likes .to sing划线部分 to sing Jane likes____after school.A meeting up her old friendsB to meet with her friendsC meeting up with her old friendsD to meet up with her pld friends She will be met with a smile away the haze.急 When ___ with difficulties,she ran away.A.faced B.facing C.face D.to face为什么选A She is going over the lessons______her English exam.用哪个介词?in,on,at,to,with? she ran away with a rodeo clown 歌词 四盒饼干和一盒巧克力用了73元,两盒饼干和一盒巧克力用了49元,问一盒饼干多少元?一盒巧克力呢? 应该是Being tired and dirty,he returned home.还是应该是Tired and dirty,he returned home. 生物细胞内染色体的什么和什么是一定的 帮忙找一个英语短剧剧本5个人演的,3或4分钟就可以了.内容不要太乏味,不要太儿童化,最好是适合3男2女演的, 细胞内染色体的组成是?A.细粒体和叶绿体B.葡萄糖和蛋白质C.DNA和蛋白质D.水和无机盐 在各种生物细胞中,染色体一定具有什么在各种生物细胞中,染色体的（ ）,（ ）,和（ ）都是一定的 谁有5个人的英语短剧剧本 高中生物下图所表示的某种生物精原细胞中的染色体和染色体问题根据下图所表示的某种生物精原细胞中的染色体和染色体上的基因,回答有关问题1,同源染色体_______2,非同源染色体3,等体基 老舍曾创作了大量的文学作品,他最钟爱的一部是? 老舍的文学作品拍成的电影 老舍的主要主要文学作品推荐 老舍的《茶馆》属于现代文学作品吗如题