A:seated; losing
B:seated; lost
C:seating ; losing
D:seating; lost
—____ you____ ____ ____ us?
“你想加入我们吗?”
一Yes.I'd____ ____
“是的,我想加入。”
请用化学用语填空:
x
π6
7π6
ωx+φ
0
π2
π
3π2
2π
Asin(ωx+φ)
2
﹣2