形容红色的成语

I helped my mother tidy the room .I am t( ).应该填什么? 已知有机化学中将只含有C、H元素的化合物称为烃.其中甲烷的分子式为CH4,乙烷的分了式为C2H6,丙烷的分子 丙烷分C3H8子中既有极性键也有非极性键,正确吗 (all of our classmates) were in the park last Saterday.（对括号部分提问） (All of our ciassmates) were in the park last Sunday.就括号部分提问 这道题怎末做 a photo of my family This is a photo of my family.It was taken in the Ocean Park by a tourist last翻译后的汉语 a photo of my familyThis is a photo of my family.It was taken in the Ocean Park by a tourist last year.Look!People who is in the pict It's a Picture of a nature park,翻译成中文? 求800有色杠杆基金倍数?谁能帮我算一下800有色基金倍数? ca(oh)2为什么不读二氢氧化钙?还有类似的好多,我都不懂唉,如何才能记好那些化学根阿? Ca(OH)2氢氧化钙的成本高不高? 为什么Ca(OH)2和CaOH都叫氢氧化钙 已知C-C可以绕键轴旋转,结构简式为下图烃,下列说法正确的是 A 分子中至少有4个碳原子处于同一直线上已知C-C可以绕键轴旋转,结构简式为下图烃,下列说法正确的是 A 分子中至少有4个碳原子 已知C-C可以绕键轴旋转,结构简式为下图烃分子中至少有11个C原子共面. 是这个图 已知C-C键可绕键轴自由旋转,结构简式为（如图）的分子中至少有几个碳原子在同一平面上?两个苯环呈45度角,那不就只有8个 How many students went to the movie yesterday?A.No one B.No C.Neither D.None如何区别这四个选项?回答是 （ they had to have a rest 已知C-C键可绕键轴自由旋转,结构简式为（如图）的分子中至少有几个碳原子在同一平面上?如果两个苯环呈45度,那不就只有8个 硝酸银试剂与硝酸银标准溶液的区别 Last May Day my family went to the country by car for our h_____.首字母填空~ 谁知道陕西哪里有卖奶牛的啊? Many of my classmates went to the exhibition yesterday.It is really a pity that you were absent.____ I had.A .Even if B.As if C.Only if D.If only选D.Why. 阅读理解：Last weekend,our family went out to have Christmas in a restaurant,We were 5.已知碳碳单键可以绕键轴自由旋转,结构简式为如下图所示的烃,下列说法中正确的是 A.分子中至少有9个碳5. 已知碳碳单键可以绕键轴自由旋转,结构简式为如下图所示的烃,下列说法中正确的 怎么读 用中文 怎么读呢?用汉语告诉我哦………… 青蒿素中碳、氢、氧三种元素的质量比为多少? 杠杆基金的150031,问题是如何知道他的杠杆倍数?只是1倍?杠杆基金还说有A有B ..150031我看不到B讲解下.谢谢. 杠杆基金的150031,问题是如何知道他的杠杆倍数?只是1倍?还说有A有B ..150031我看不到B.麻烦懂的人 H15H20O4,中碳氢氧咱中元素的质量比是?是C15H20O4~抱歉~ Shall we go for a trip to Ocean Park?（保持原意） ——————trip to Ocean Park?我填why not h2co3+ca(oh)2的化学方程式急要! 要一篇作文,visit the Ocean Park 氢氧化钙和碳酸反应的化学方程式