一个男子把Y染色体上的某一突变基因传给女儿的概率是 ( )。
读一读,写一写
①— Are there any ____ ?
— Yes, there are.
②There are many tall ____ in my city.
③There is a ____ above the river.
④- Are there any houses in the ____?
-Yes, there are.
用20°W和160°E经线圈,作为划分东、西半球界线的依据是( )
询问他人柠檬的味道怎么样,可以说: