用慈组词
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Do you have to...可以用No,I needn't.
虚像可以是正立的,也可以是倒立的对吗?
Do you have to buy this hat?No,i needn't necessary为什么填needn't
no,you needn't的问句
hazard音标
h( ) ( ) ( ) ( ) ( )里面填字母
英语翻译比如Hazard Identification Techniques应该怎么翻最好?背景:风险评估
()()h()(),()里填字母
invite invitation 用法.区别?
别人问你Yes,we often have lunch in the canteen at 12:00,你会怎么回答?
you needn't do it tomorrow.(保持原意) you_________ _________to do it tomorrow.
影子有没有质量?3QRT.
中国有哪些影子艺术家拜托各位了 3Q
Billy is short and fat.He is kind .B( )Billy is short and fat.He is kind .B( ) the two tall students often bully him.
At the_____party,I felt very nervous and out of place.A interestingB formalC boringD careful
any i too mustn't eat and i fat meat am (连词成句)
连词成句l,he,short,is,and,am,tall的答案
i mshort and fat.i m short and fat,too.we look short and fat.we look like twins!
He often sat in a small bar,dringing and smoking considerably more than is good for his health.这句话语法上对么
He often sat in a small bar,dringing and smoking considerably more ____.A than his health B than good health C than is good for his health Dthan that is healthy 选哪个,为什么?尽量详细一点,
有关基因连锁互换的问题,有两对基因,A和B连锁,a和b连锁,AaBb和aabb测交,发生互换,为什么Aabb是19个,而aaBb是17个,按理说交换一次就会出现Ab和aB各一个,可是两个为什么不相等呢为什么呢?
两个首字母填空1.He gave me a persent on my e_____ birthday.2.My f_____ hobby is reading.3.I like tea w____ suger in it.
遗传学 已知图距求表型1.基因座R与基因座S相距35cm,如果一种基因型为RS/rs的植株自交,子代会有那些表型?比例如何?
遗传学中抑制作用如何体现的,什么基因抑制什么?求教.
写作文最基础的东西是什么?
《如何与他人相处》《如何与自己相处》《如何与这个国家相处》,老师让写作文了,帮下忙,我是高中生,希望别找些很幼稚的文章,素材也可以的.一切有关的都要.
续写作文 很久很久以前,在一个国家里,有一个贤明而受人爱戴的国王.但是,他的年纪已很大了,他还没有一个孩子.这件心事,使他很伤脑筋.他多想有一个漂亮的公主或是一个英俊的王子呀.有一
春天什么花香春天的什么花最香
枫叶中有没有绿叶素
绿叶幕布红叶幕布哪个好
一个好东西——砖块【写作文】
植鞣皮和植鞣革有区别么?是一样的的么?