与诗句“坐地日行八万里，巡天遥看一千河”最吻合的地点是（ ）
A：两极
B：赤道
C：本初子午线
D：回归线
When I came into his room, he ____ the webs.
Tom has many puzzles. (改为否定句)
Tom ____ ____ many puzzles.
口算．
17×100=____
24×300=____
35×11=____
700×16=____
24×600=____
800×90=____
