a2-ab分之b2-a2÷（a+a分之2ab+b2）×（a分之一+b分之一）

What do ants like to eat?改成What do ants like eating?意思相同吗? What do you do out the dining ball?We eat and drink.的中文意思是什么? 急用!By the time I got outside,the bus ----(填leave的适当形式）个人在had been away和had left中纠结也就是句子的前半句用By the time,后半句谓语动词是否用可延续性的 把错乱的单词连成一句话:do/ants/What/to/eat/like/? what eat do like ants to怎没连词成句啊啊 What did Lingling eat in the pretty 怎么读 At the moment ,my cousin Jim ____ (play) computer games.怎么填 I enjoyed English and biology at school ,but which one should I choose to study at university?这句话中为什么能连用2个代词which one ,为什么should放于I之前,陈述句时不是放它之后吗? 句式1)the student should be encouraged to read such books ( ) good for them informing good habits.a/that are b/as the are c/as are d/that the are2) when i was your age ,idared to go out along at night ,(dare) you?反义疑问句不是要否定一 The Pretty Reckless 改错：The maths proble is too difficult.Little students can work it out .请说明原因 Don"t talk( ) class,we( )the teacher. 形容一个人好多年事业没有进展,现在还是什么都没有的成语 反馈控制系统由哪些基本元件组成? 怎么才能算构成一个负反馈控制系统呢?怎么才能算是构成一个负反馈控制系统呢?是不是必须根据调节阀的气开、气关形式来确定调节器的正反作用吗? 被调节量有静差的控制系统为什么控制的反馈控制系统 怎样理解和评价控制系统的响应特性 如何通过反馈消除控制系统的延时我控制伺服电机按正弦信号进行运转,通过摄像头检测发现,电机是按正弦信号进行运转,但有20ms左右的延时,即当我控制电机在某个时间点t正好运转到某个角 英语求翻译和解答 英语翻译–What do you think of teaching,Bob?–I find it fun and challenging.It is a job ___ you are doing something serious but interesting.A.where B.Which C.When D.that 英语翻译 小明有5分和2分的硬币14枚,共6角7分,则5分硬币有---------枚,2分的硬币有----------枚 英语翻译《科学毁了我的晚餐》概要作者通过现代人的共识：“食品一年比一年变得难吃”,引发了我们现代社会“滥用科学”到食品领域的深思.人们过份的用经济指标来衡量一切,老式的奶 英语翻译 英语翻译 英语翻译I thank whatever gods may be for my unconquerable soulIn the fell clutch of circumstanceI have nit winced nor cried aloudUnder the bludgeonings of chanceMy head is bloody but unbowedBeyond this place of wrath and tearsLooms but the horror He _______ Shanghai since he graduate from the universityA.has been to B.has leftC.has been away from He___ (work) in this company since he finished college1.He ___ (work) in this company since he finished college2.Has he ___(wait) for his cousin there for half an hour some students ___(play) on the playground now3.has he ___ (wait) for his cousin th 现有2角的硬币X枚,5角的硬币Y枚,共18元,列出关于X,Y的二元一次方程若X=20,则Y=列出方程。一楼是错的。 小明有2分和5分的硬币共100枚,总值3元2角,这两种硬币各有多少枚?快,禁方程! That would make sense.rt