证明氢氧化钠溶液变质

叶子比较小比较硬 叶片上有浅绿色条纹 每节长四片相互对称的叶子 用这两幅图编出8句话 英语的 ,关键词be going to和there will be 我的瑞香去年叶子是深绿色,今年怎么变成浅绿色了?黄叶也增多了! 求英语专家~到底有没有there are going to be+名词复数?在网上也搜了 各种说法都有 有的说 必须只能用is 有些说根据后面主语单复数而定 那到底是什么情况呢?我们老师说是there are going to be+名词 She said she ______ her exams by then.选项:a、has finished b、finished c、would have finished d、 中国古诗里描绘最瘦的人用什么诗句? 描写人瘦的词语?急 I really hope you ____(enjoy)yourselves in the park tomorrow the final exam will come soon 改为否定句 the final exam （）soon 带弱的词语 身体瘦弱、功能（ ) 带弱的词 如身体【瘦弱】 工能【 】 照样子写出带“弱”的词语 身体（瘦弱） 婴儿（ ） 力量（ ） 国家（ ） jerry did not mary until she made a self-introuduction抱歉原题是这样的Jerry did not ------------- Mary until she made a self-introduction选择填空A recognize B realize C know D find I ______ Mary until she started going to my school.A .wasn't knowing .B.didn't know. 为什么 Their efforts to improve the production have been very _________,and they have been praised by theA.effectiveB.efficientC.effectD.affective答案是那个 作文 怦然心动的感觉麻烦大家给找个范文 我不知道要写什么. 求《怦然心动的感觉》作文 600字的 there a charity show this weekend.would you like to join us?填,will be 还是is Tina always does well in her exams Tina always _ _ _in her exams Tin always does well in her exams Tina always ___ ___ ___ in her exams改同义句 i always perform with DVD on中的on All the students are busy ___(单选)_____ ready for the final exams.A.with getting B.for getting C.getting D.to get 《同桌的你》歌词 同桌的你歌词我要中国达人秀上的 （）的列文虎克（）发现了（）的世界 列文·虎克最早发明了________,发现________,________,发现了________. 列文虎克用 发现了什么 又发明了什么 关于如何发展农业的作文 武汉农耕年华作文急需一篇关于农耕年华的作文, The final exam is coming ,so it is high time that the students_____ready for itA:get B:have got C:got D:will get Students are not allowed to_____the final exam if they have missed one third A,makeB,sitC,offerD,go应该选啥? 求历史短剧剧本,人数大概六七个人把,