中心原子的杂化类型

They are not a_____ running because it is good for health maybe they do not need it only because of on sale.I think it is waste money and time...we should only buy what we need,do u think so?意思 过去式是什么?后面加什么?难得的机会! "pour""throw"的过去式 throw,pass,kick的过去式 Until i hear from Tom,or see for myself ,that you are really trying to behave better 中that引导什么 单项选择 Du you need a hand?Tom?-Yes the job is __I could du myself .A less than B more than Cno more than Dnot more than 急!求大神帮忙看看做错了没,如果有错的请帮忙改一下.谢谢! as well as,as well,too,also的用法 求这段Mr.BIG的音乐这里这段,没有尖叫啥的= =清晰版的, ‘Can you say to/speak up?’the man said.‘I can’t hear very well.’ I'd like to be a policeman ,____ who are in troubleA help these B helping those C help those D helping these i would like to be a police ,help those who are in trouble .错在哪里?为什么? 以……而闻名的词组是be well known 还是be known well然后搭配的介词是什么. "饮帐中"是什么短语,省略了介词"___" 在英语中,介宾短语中的介词可不可以省略,或者是在什么条件下省略?比如我知道：After having gone home ,I went to grocery.这里的After可以省略,其他的呢?那是不是说，介宾短语，如果介词在句首，就 英语中省略介词的英语短语有哪些? Indeed,the house for sale is _______every penny of it.A worthy B worth C worthwhile D cost The house is now worth------we paid for it.选什么?为什么?A.the amount double B.the double amount C.amount double the D.double the amount We teach( )Chinese andthey teach( ) A they;wWe teach( )Chinese andthey teach( ) A they;we B their;we C them;us There are six grades in our school.就句子提问 They teach us Chinese.同义句 We ____ Chinese ___ them. (4)52和130的做大公约数是(),24,28和42的最小倍数是(). 5个亿,42个百万 ,3个万,4个千 ,55个5是多少?5个亿,42个百万 ,3个万,4个千 ,55个5是多少? 175×0.55+42.55.5+4×55的简便方法 42.5-[12.3+()]=2.55 介词加名词等于一个副词The problem has raised concern both nationlly and internationally.at home and in other countries.比如这句是不是可以的,不然我想不通为什么后面要加两个副词 英语根据首字母写单词就一题Our basketball team is very strong,so it has a good c_____of winning the coming match. The ______ of our school dining hall is pretty good.They _____ the students very well.And dinner for students in Grade 9 is usually _______ between 5:05 p.m.and 5:30 p.m.(serve). l would like to be a.求作文 有负的公约数吗? 公约数一定是正的吗?负的可以吗?