农谚说:“有收无收在于水,多收少收在于肥”.这说明植物的生长需要 ( )
A:水和无机盐
B:有机物
C:维生素
D:适宜的温度
观察下图,导致19世纪末20世纪初石油开采量大幅度上升的原因是( )
— Peter doesn't mind lending you his camera.
— He ________. I've already borrowed one.
Sorry, I can't ________ you. Can you ________ it again?