⑴Can I wear my jacket? ____ A.Yes, it is.
⑵Is it hot in Harbin? ____ B. It's windy today.
⑶What's the weather like today? ____ C. No, you can't.
如图所示,电阻R的阻值为7.5Ω,电路中电流为0.2A。如果给原来的电池再串联一节相同电池,那么:电阻R的阻值为____ Ω,电路中电流为____ A。
我能做什么来提高我的口语吗?
What can I do to____?
在极坐标系中,圆p=2上的点到直线p(cosθ+3sinθ)=6的距离的最小值是____ .