—_______ next year? —She is going to lea
题型：选择题
问题：
—_______ next year?
—She is going to learn more about English. [ ]
A. When is she going to learn more about English
B. What does she do
C. What's she going to do
D. Where is she going to do
题型：选择题
如图所示的两轮以皮带传动，没有打滑，A、B、C三点的位置关系如图，若r1>r2，O1C =r2，则下列关于A、B、C三点一些物理量大小排序正确的是
A．vA>vB>vC
B．ωB>ωA=ωC
C．vA=vB>vC
D．ωB>ωA>ωC