走进温馨的物理考场，回想起你的自身经历，你走路时的速度约为1.2 ，你跑100m所需时间约为16 （填上合适的物理量单位）．
m/s；s
— How is the weather in Shanghai today?
— ______. I'm having a picnic (野餐) with my friends in the park. [ ]
A. It is raining heavily
B. It often rains
C. I don't like rainy days at all
D. It is sunny
抗生素
