A:y=sinx+π4cosx+π4
B:y=1+cos2xsin2x
C:y=2tan2x
D:y=sinxcosx
下列是新鲜绿叶的四种光合色素在滤纸上分离的情况,以下说法正确的是()
Although at the age of 30 and much older than the other players, Zhang Ning __________ to win the gold medal in the final match.
电影院放映厅的墙壁上都被装修成坑坑洼洼的,俗称“燕子泥”,其目的是为了( )