次氯酸的键角是多少
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四氧化三铁的组成请问配比是1:1么
四氧化三铁的符号
regret的用法有regret to have done吗,有的话,和regret having done有什么区别
making a bigger mistake than the qmd.wangming1.cn mistake itself.So never regret.具体含义不懂
I regret the mistake,waiting for you to forgive
Could you ( )your shoes They're too dirty.括号里面填什么?A.buy B.clean C.watch.D.make
已知某氨基酸分子式为C17H35O6N8,求该氨基酸中R基的分子式
How beautiful you are!什么意思
How are you?It is beautiful day.It is sunny
对划线部分提问:I watch TV (twice a week)
i watch tv at six thirsy(对划线部分提问)划线部分是six thirsy
I like to watch TV very much.(就划线部分提问) (watch TV是划线部分)I like to watch TV very much.(就划线部分提问) --------
How much are your sport shoes?
How much are your shoes?(同义句)______ _______ ______your shes_______?
帮个忙,要求说道理. ( ) are your shoes They are biack A.What size B.What color C.How much D.Where
How much are your (s ) shoes括号填英语单词
横过路面的雨水篦子管道的埋设深度规范上有要求吗?应该是多少?
谁知道埋地敷设管道埋设深度有哪些要求
青霉素氨基酸的分子式是什么?kuai huida wo yao zhunque daan!
watch,you,would,tonight,to,TV,like(.)(连词成句)
再考考你们 Would you like [some/any] apples?Would you like ( )[watch] TV?
If someone cares about you,you take no care of yourself.
David is watching TV in his room.(对划线部分提问)划线部分:in his room填空:() ()David watching TV?
David is watching TV in his room.(对划线部分提问) 划线部分:watching TV 填空:() () David () in his room?
He asked"where are you now?"(变间接引语)
a ton of / tons of / a pile of / an ocean of 等接可数还是不可数请问这次短语后面接可数不可数还是均可,后面的动词的单复形式又是由什么决定的谢谢
We often watch TV on Friday(对划线部分提问)
we can watch TV in the evening对in the evening划线部分提问
氨基酸分子式为什么C可以连4条杆我觉得奇怪,为什么连在C上的一个H可以与C写在一起,成:CH.C\而羧基-COOH有可以写成:-CO//O这样的用横杆的写法有什么规则?另外化学键是什么?
隧道埋深是什么意思
We are going to watch TV this afternoon.划线部分提问this afternoon划线
盾构隧道浅覆土是怎么定义的?隧道埋深多少时认为是浅覆土?有没有相关规范?