My father has _______ orange car.
A:an
B:a
C:the
石磨____(A.mó B.mò)
酿造____(A.niàng B.liàng)
手足情深____(A.zhú B.zú)
要使代数式x-2有意义,则x的取值范围是____
为研究高光强对移栽幼苗光合色素的影响,某同学用无水乙醇提取绿叶中的色素,并进行纸层析,如图为滤纸层析的结果(I、Ⅱ、Ⅲ、Ⅳ为色素条带)。据此叙述正确的是( )
Which club doesn't the girl talk about?