绿色植物是生物圈中作用很大的一类生物,下列叙述错误的是( )
A:绿色植物为人类提供了丰富的自然资源
B:绿色植物直接或间接为其它生物提供食物和能量
C:绿色植物对维持生物圈中氧和水等物质的循环发挥重要作用
D:绿色植物通过光合作用影响氧循环,通过呼吸作用参与水循环
Please keep still, or I can't cut your hair. It's dangerous.
早上起来,面向太阳,
前面是东,后面是西,
左边是北,右边是南,
东西南北,认清方向。
告诉爸爸、妈妈,站队时,你的前后左右分别是谁?
I'm Helen . I'm an English girl . I'm a student . I'm in Class 1, Grade 1. I get up at six o'clock . I go to school at seven o'clock. We have three classes in the morning and two in the afternoon . We go home at four thirty . My father is a policeman . My mother is a driver . I love my father and mother .