怎样设计有效作业

什么样的换热器和气体分离有关 The koalas sleep during day,and get up to leaves at night.空格中要填什么?原因是什么?请老师讲解!对不起啊空格在during后面 day前面我知道是不定冠词the,但原因是什么 Koalos sleep __the day,but ___night they get up and eats leaves. ____ koalas sleep during the day ____ at night?用at night 改为选择疑问句 i went to shanghai last year____fell in love____it 1.and,with 2.but,with 3.and,to 4.but,to 一辆重型消防车上配置多少米水带? 请问who cares 在的care后加上s是表示什么呢? WHO CARE?要具体的解释[WHO CARE?是单纯的反问句,还是有别的意思,或是有相反的意思? be ,lik ,in ,to ,the ,they ,day ,quiet. 氨水和硼酸反应,产物是什么呢?是发生酸碱中和反应还是络合了? 比热容 的这两个单位数值是一样的吗?大学中有个液体比热容共线图,在这个图上可以查出液体在不同温度下的比热容,但是文献给出的比热容单位却有两个:KJ/(kg* ℃)和KJ/(kg* K),最常用的是前面 硼酸与小苏打混合会有什么反应? “塞俩目”在阿拉伯语中是什么意思?非常感谢!最好详细点 为什么是who care不是who cares?经常听到"Who care"意思好像是 谁管你 的意思为啥不说who cares?说who care也对吗? 到底是who care还是who cares啊,这么说是不是中式英语啊 谁能翻译一下if anyone who cares “Who cares 用阿拉伯语怎么翻译这句话：祝圣纪节快乐!或者其他问候圣纪节的话也行, 请高手告诉我阿拉伯语发音为塞乐娃,翻译为中文是是什么意思 把煤粉制成蜂窝煤属于化学变化吗 They like to go to s___ about the same time every day前一句：Cats are animals of some habits. People like to go to the _________on__________days. Peter has his Chinese book in his bag.(改成一般疑问句) 英语翻译Do you fear the force of the wind,The slash of the rain?Go face them and fight them,Be savage again.Go hungry and cold like the wolf,Go wade like the crane:The palms of your hands will thicken,The skin of your cheek will tan,You'll grow r 特别着急想知道.أنا آسف ، أنا مذنب ، من فضلك لا يغفر لي 考考你的阿拉伯语水平,العشب بلدي الطين غوبي ماهلر 动词不定式跟动词现在式、过去式等动词形式是同级概念么 what's your size 换一种说法 what size are you fit?what sizes are you fit?还是what size is you fit? the____ of living areas makes tigers nowhere to live.(loss) 最好再给个例句..the____ of ...中加名词(⊙_⊙)? What do you think your bag? pencil-case,your,you,what,put,in,do 连吃成句 2、What did you put in your suitcase?It's almost _____ mine.A.four times as heavy as B.four times heavier asC.as four times heavy as D.as heavy as four times