— Hello, 2463758.
— Hello. Bill.
A:I'm
B:This's
Sightseeing in this city is best done _______ by tour bus _______ by bicycles, you must choose one.
如图所示,将质量为10kg的小球挂在倾角为α=450的光滑斜面上,则
Tom would like two ____ (bowl) of noodles.