A:①②③
B:①②④
C:③④
D:①②
下列地理现象中,与太阳活动密切相关的是( )
—In fact, last month's lecture is a_________. Since then, he's changed a lot.
当你自然屈肘时,肱二头肌和肱三头肌的状态分别是( )
—Can you get on well with your new classmates? —Yes.They are all ____ me.