“万有引力定律”是由谁发现的？（）
A、莱布尼茨
B、伽利略
C、牛顿
D、爱因斯坦
参考答案：C
Lots of rescue workers were working around the clock, _____ supplies to Yushu, Qinghai province after the
earthquake.[ ]
A. sending
B. to send
C. having sent
D. to have sent
财政
