根据如图所示的实验,直接可以得出的结论有( )
A:生长素能促进植物生长
B:单侧光照引起生长素分布不均匀
C:生长素只能由顶端向下端运输
D:感受光剌激的部位是胚芽鞘尖端
下列各句中,加线的成语使用恰当的一项是( )
My old neighbour Charles felt ________ after his children moved out.
—Mum, I have a bad headache. I feel terrible.
—Oh, dear! You must get a cold. You'd better see ___________ after breakfast.