白豆蔻具有止呕的作用，善于治疗的病证是（）
A.胃热呕吐
B.胃寒呕吐
C.胃虚呕吐
D.妊娠呕吐
E.寒饮呕吐
参考答案：B
甲物体的质量是乙物体的2倍,甲从H高处自由下落,乙从2H高处与甲同时自由下落,下述正确的是
A．两物体下落过程中,同一时刻甲的速度比乙的速度大
B．下落过程中,下落1s末时,它们的速度相同
C．下落过程中,各自下落1m时,它们的速度相同
D．下落过程中,甲的加速度比乙的加速度大
Ahmed is a cotton grower. He supplies his cotton to textile manufacturers. In June 2010 he entered into a contract with Shah Textile Mills Limited (‘STML’) for sale and supply of cotton. He received Rs. 100,000·00 as advance payment from STML. In August 2010 his cotton crop was destroyed by the severe floods in Pakistan.Required:In relation to the law of contract, advise Ahmed and STML on the impact of this event on their contract. (10 marks)
