【简答题】A.The bill becomes law immediately. B.The bill can't become law unless the whole process begins again. C.Lawmakers must review the bill within ten days. D.The President must sign the bill if it's pass...
【简答题】试验因素 (experimental factor )
【单选题】f(x)是定义在R上的可导函数,则“f(x)在R上单调递增”是“当x∈R时,f′(x)>0”的( )
【单选题】If you this afternoon, we a meeting.
【单选题】一般来说,植物油营养价值比动物油 _____ 高 ______ ,植物蛋白营养价值比动物蛋白 ________ 低 ___ 。
【简答题】试验处理 (experimental treatment )