3a=4b,那么a:b=______:______.(a≠b)
因为3a=4b,
则a:b=4:3;
故答案为:4、3.
用“元素”、“分子”、“原子”、“离子”填空:金刚石和石墨是由碳______组成的不同单质,它们的物理性质有很大的差异,是因为金刚石和石墨里碳______的排列不同.
句式转换,每空一词。
1.He has a sore throat.(对划线部分提问)
What’s_________ __________ him?
2.She is going to Hong Kong for vacation with her parents.(对划线部分提问)
___________ _________she going to for vacation with her parents?
3.Henry is more outgoing than any other students in his class.(改为同义句)
Henry is ___________ ______________ outgoing student in his
class.
4.My dad drives me to school every morning.(改为同义句)
Every morning I______ to school _________my dad’s car.
5.He can go to the concert with you tonight.(改为一般疑问句)
__________ he _________to the party with you tonight?
1.______ _____2._____ ______3._____ ______ 4._____ ______ 5._____ _____