下列真核细胞结构与成分对应关系有误的是
A.细胞膜:脂质、蛋白质、糖类 |
B.染色体:核糖核酸、蛋白质 |
C.植物的细胞壁:纤维素、果胶 |
D.细胞骨架:蛋白质 |
There's ______ in the city.Why not have a picnic in the countryside?
Great! Daweishan Mountain might be a good choice.( )
A.interesting something
B.nothing interesting
C.anything interesting
______ April 22nd,people around the world celebrate Earth Day in different ways.( )
A.InB.AtC.On
Hello,John.This is Mike.What are you doing now?
I'm watching a football match.It started at 7:30 p.m.and ______ on for another one hour.( )
A.has beenB.wasC.will be
Boys and girls! I hope you can get good grades in this exam.
______, Miss Lu!( )
A.Thank youB.You are OKC.Good idea
Do you like Jay Zhou?
Yes. I like singers ______ sing pop songs.( )
A.whichB.whenC.who